3 John 1:8

Therefore, we should show hospitality to such men, so that we can be fellow-workers [with them] in [the cause of] the truth.

Matthew 10:14

And whoever does not welcome you or listen to what you have to say, shake the dust off of your shoes as you leave that house or town. [Note: This was a Jewish custom showing disdain and intended to suggest unworthiness]

Matthew 10:40

The person who welcomes you [into his home] welcomes me. And the person who welcomes me [into his life] welcomes God, who sent me.

Luke 11:7

Then the man will answer from inside [his house], 'Do not bother me. My door is [already] locked, my children are [already] in bed with me and I cannot get up to give you anything.'

1 Corinthians 3:5-9

After all, who is Apollos? And who is Paul? They are [only] servants through whom you believed [in Christ], with each one doing what the Lord gave him to do.

1 Corinthians 16:10-11

Now if [or, probably, "when"] Timothy comes [i.e., there to Corinth], make sure he feels at ease [Note: Due to his youthful age and inexperience, Timothy was probably inclined to be easily intimidated], for he is doing the Lord's work, just as I am.

2 Corinthians 6:1

As workers together with God we urge you also, who have received God's unearned favor, do not allow it to be for nothing,

2 Corinthians 7:2-3

[Note: The following section seems to pick up where 6:13 left off]. Make room for us in your hearts. We have not wronged or injured anyone, nor have we taken advantage of anyone.

2 Corinthians 8:23

As for Titus, he is my partner and fellow-worker on your behalf. As for our brothers [i.e., those who will accompany him], they are the messengers of the churches and an honor to Christ.

Philippians 4:3

Yes, and I am asking you also, [my] faithful partner [Note: This person is unknown, but may have been one of Paul's preacher companions], help those women, for they have worked hard with me in [spreading] the Gospel, along with Clement also, and the rest of my fellow-workers, whose names are in the book of life. [See Rev. 3:5; Heb. 12:23].

Colossians 4:11

Jesus, who is called Justus, also sends his greetings. These men are the only Jews among my fellow-workers for God's kingdom; they have proved to be an encouragement to me.

1 Thessalonians 3:2

and so we [i.e., I] sent Timothy, our brother and God's fellow-worker in [the ministry of] the Gospel, to strengthen and encourage you in your faith,

3 John 1:10

So, if I come [to visit you], I will remind you of what he is doing, [such as] using wicked words to talk nonsense against us [apostles]. And, not being satisfied with that, he [also] refuses to welcome the [other] brothers, and prevents [other] people from doing so [i.e., from welcoming these brothers], and even kicks them out of the church [for trying to].

Treasury of Scripture Knowledge

Summary

We therefore ought to receive such, that we might be fellowhelpers to the truth.

Bible References

To receive

3 John 1:10
So, if I come [to visit you], I will remind you of what he is doing, [such as] using wicked words to talk nonsense against us [apostles]. And, not being satisfied with that, he [also] refuses to welcome the [other] brothers, and prevents [other] people from doing so [i.e., from welcoming these brothers], and even kicks them out of the church [for trying to].
Matthew 10:14
And whoever does not welcome you or listen to what you have to say, shake the dust off of your shoes as you leave that house or town. [Note: This was a Jewish custom showing disdain and intended to suggest unworthiness]
Luke 11:7
Then the man will answer from inside [his house], 'Do not bother me. My door is [already] locked, my children are [already] in bed with me and I cannot get up to give you anything.'
2 Corinthians 7:2
[Note: The following section seems to pick up where 6:13 left off]. Make room for us in your hearts. We have not wronged or injured anyone, nor have we taken advantage of anyone.

Fellow-helpers

1 Corinthians 3:5
After all, who is Apollos? And who is Paul? They are [only] servants through whom you believed [in Christ], with each one doing what the Lord gave him to do.
1 Corinthians 16:10
Now if [or, probably, "when"] Timothy comes [i.e., there to Corinth], make sure he feels at ease [Note: Due to his youthful age and inexperience, Timothy was probably inclined to be easily intimidated], for he is doing the Lord's work, just as I am.
2 Corinthians 6:1
As workers together with God we urge you also, who have received God's unearned favor, do not allow it to be for nothing,
2 Corinthians 8:23
As for Titus, he is my partner and fellow-worker on your behalf. As for our brothers [i.e., those who will accompany him], they are the messengers of the churches and an honor to Christ.
Philippians 4:3
Yes, and I am asking you also, [my] faithful partner [Note: This person is unknown, but may have been one of Paul's preacher companions], help those women, for they have worked hard with me in [spreading] the Gospel, along with Clement also, and the rest of my fellow-workers, whose names are in the book of life. [See Rev. 3:5; Heb. 12:23].
Colossians 4:11
Jesus, who is called Justus, also sends his greetings. These men are the only Jews among my fellow-workers for God's kingdom; they have proved to be an encouragement to me.
1 Thessalonians 3:2
and so we [i.e., I] sent Timothy, our brother and God's fellow-worker in [the ministry of] the Gospel, to strengthen and encourage you in your faith,
Philemon 1:2
and to Apphia our sister [Note: This was probably Philemon's wife], and to Archippus our fellow-soldier [Note: This was probably Philemon's preacher son. See Col. 4:17] and to the church [that meets] in your house.