Revelation 13:16

And this second beast forced everyone to be branded with a mark on their right hand and on their forehead --- insignificant and important people, rich and poor people, and free people and slaves ---

Revelation 19:18

so that you can eat the flesh of kings, and military commanders, and strong [i.e., influential ?] people, and horses with their riders, and [you can eat] the flesh of all people, the least significant [as well as] the most important ones."

Revelation 7:3

saying, "Do not harm the land, or the ocean, or the trees, until we have sealed the servants of our God [with a mark] on their foreheads."

Revelation 19:5

Then a voice came from the throne, saying, "Give praise to our God, all of you [who are] His servants, you who are the least significant and [also] the most important ones, who revere Him."

Revelation 20:4

Then I saw thrones, with individuals sitting on them who had been given [authority] to judge. And I [also] saw the souls of those who had been decapitated because they had testified about Jesus and [had proclaimed] the message of God. [They are] the ones who had refused to worship the beast or his statue, and had not received his mark on their foreheads or on their hands. And these ones lived again and ruled with Christ for a thousand years.

Revelation 11:18

And the nations were enraged, but your wrath has come [anyway]. The time has come for the dead to be judged and for your servants the prophets to receive their reward, [along with] the saints and [both] the insignificant and important ones who revere your name. [It is also time] to destroy those who destroy the earth."

Revelation 19:20

But the beast was captured, along with the false prophet [See 16:13], who performed [supernatural] signs in his presence. [He had performed these signs] to deceive those who had received the mark of the beast and those who worshiped his statue. [See 13:15-16]. The beast and the false prophet were both thrown alive into the lake of fire that burns with sulphur.

Acts 26:22

But I obtained help from God and so [I am able to] stand here to this day, testifying to both the common people and to those in prominence. [I am] saying only what the prophets and Moses said would happen,

1 Corinthians 12:13

For we were all immersed by means of the one Holy Spirit into one body [i.e., the church], whether [we were] Jews or Greeks [i.e., Gentiles], whether slaves or free people, and were all given the one [and the same] Holy Spirit to drink. [Note: This probably refers to the indwelling of the Holy Spirit, given to all immersed believers. See John 7:37-39; Acts 2:38].

Galatians 3:28

[In this relationship] there is to be no [distinction between] Jews or Greeks [i.e., Gentiles], slaves or free persons, men or women; for all of you are united into one [body] because of your relationship with Christ Jesus.

Galatians 6:17

From now on no one should harass me [about such matters] for I carry around on my body the scars [left there in my service] for Christ.

Ephesians 6:8

knowing that whatever good deed a person does, he will be rewarded for it from the Lord, whether he is a slave or a free person.

Colossians 3:11

[In this state] there cannot be [such distinctions as] Greek [i.e., Gentile] and Jew; circumcised people and non-circumcised people; barbarian and Scythian [Note: These last two words refer to foreigners whose language was unintelligible and who were uncivilized heathens], or slave and free person; but Christ is all [that is important] and [He is] in all [of His people].

2 Timothy 3:8

These people oppose the truth just like Jannes and Jambres opposed Moses. They have corrupt minds and are worthless as far as the faith is concerned.

Revelation 6:15

And the kings of the earth, the princes, the military commanders, the rich people, the influential people and every slave and free man hid themselves in the caves and among mountain ledges.

Revelation 14:9-11

Then a third angel followed them. He said in a loud voice, "If anyone worships the beast and his statue, and receives a mark on his forehead or on his hand,

Revelation 15:2

And I saw what seemed to be an ocean of glass, mixed with fire, and those who had been victorious over the beast, his statue and the number of his name. They were standing beside [or, "on"] the ocean of glass and held harps [given to them] by God.

Revelation 20:12

And I saw dead people, the most important and the least significant ones, standing in front of the throne, and books were opened. Then another book was opened, which is the book of life [Note: This refers to a record of those to whom God has granted never ending life]. And these dead people [i.e., who have now been resurrected] were judged according to their deeds, based on what was recorded in the books.

Treasury of Scripture Knowledge

Summary

And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads:

Bible References

Both

Revelation 11:18
And the nations were enraged, but your wrath has come [anyway]. The time has come for the dead to be judged and for your servants the prophets to receive their reward, [along with] the saints and [both] the insignificant and important ones who revere your name. [It is also time] to destroy those who destroy the earth."
Revelation 19:5
Then a voice came from the throne, saying, "Give praise to our God, all of you [who are] His servants, you who are the least significant and [also] the most important ones, who revere Him."
Revelation 20:12
And I saw dead people, the most important and the least significant ones, standing in front of the throne, and books were opened. Then another book was opened, which is the book of life [Note: This refers to a record of those to whom God has granted never ending life]. And these dead people [i.e., who have now been resurrected] were judged according to their deeds, based on what was recorded in the books.
Acts 26:22
But I obtained help from God and so [I am able to] stand here to this day, testifying to both the common people and to those in prominence. [I am] saying only what the prophets and Moses said would happen,

Free

Revelation 6:15
And the kings of the earth, the princes, the military commanders, the rich people, the influential people and every slave and free man hid themselves in the caves and among mountain ledges.
Revelation 19:18
so that you can eat the flesh of kings, and military commanders, and strong [i.e., influential ?] people, and horses with their riders, and [you can eat] the flesh of all people, the least significant [as well as] the most important ones."
1 Corinthians 12:13
For we were all immersed by means of the one Holy Spirit into one body [i.e., the church], whether [we were] Jews or Greeks [i.e., Gentiles], whether slaves or free people, and were all given the one [and the same] Holy Spirit to drink. [Note: This probably refers to the indwelling of the Holy Spirit, given to all immersed believers. See John 7:37-39; Acts 2:38].
Galatians 3:28
[In this relationship] there is to be no [distinction between] Jews or Greeks [i.e., Gentiles], slaves or free persons, men or women; for all of you are united into one [body] because of your relationship with Christ Jesus.
Ephesians 6:8
knowing that whatever good deed a person does, he will be rewarded for it from the Lord, whether he is a slave or a free person.
Colossians 3:11
[In this state] there cannot be [such distinctions as] Greek [i.e., Gentile] and Jew; circumcised people and non-circumcised people; barbarian and Scythian [Note: These last two words refer to foreigners whose language was unintelligible and who were uncivilized heathens], or slave and free person; but Christ is all [that is important] and [He is] in all [of His people].

A mark

Revelation 14:9
Then a third angel followed them. He said in a loud voice, "If anyone worships the beast and his statue, and receives a mark on his forehead or on his hand,
Revelation 15:2
And I saw what seemed to be an ocean of glass, mixed with fire, and those who had been victorious over the beast, his statue and the number of his name. They were standing beside [or, "on"] the ocean of glass and held harps [given to them] by God.
Revelation 19:20
But the beast was captured, along with the false prophet [See 16:13], who performed [supernatural] signs in his presence. [He had performed these signs] to deceive those who had received the mark of the beast and those who worshiped his statue. [See 13:15-16]. The beast and the false prophet were both thrown alive into the lake of fire that burns with sulphur.
Revelation 20:4
Then I saw thrones, with individuals sitting on them who had been given [authority] to judge. And I [also] saw the souls of those who had been decapitated because they had testified about Jesus and [had proclaimed] the message of God. [They are] the ones who had refused to worship the beast or his statue, and had not received his mark on their foreheads or on their hands. And these ones lived again and ruled with Christ for a thousand years.

Or

Revelation 7:3
saying, "Do not harm the land, or the ocean, or the trees, until we have sealed the servants of our God [with a mark] on their foreheads."
2 Timothy 3:8
These people oppose the truth just like Jannes and Jambres opposed Moses. They have corrupt minds and are worthless as far as the faith is concerned.