'Witness' in the Bible

who testified to the word of God and to the testimony of Jesus Christ, even to all that he saw.

And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood,

I, John, your brother, who have a part with you in the trouble and the kingdom and the quiet strength of Jesus, was in the island which is named Patmos, for the word of God and the witness of Jesus.

I know where you live—where Satan’s throne is! And you are holding on to My name and did not deny your faith in Me, even in the days of Antipas, My faithful witness who was killed among you, where Satan lives.

He who overcomes will be dressed in white, and I will not take his name from the book of life, and I will give witness to his name before my Father, and before his angels.

And unto the angel of the church of the Laodiceans write; These things saith the Amen, the faithful and true witness, the beginning of the creation of God;

And when the fifth stamp was undone, I saw under the altar the souls of those who had been put to death for the word of God, and for the witness which they kept.

And when they have come to the end of their witness, the beast which comes up out of the great deep will make war on them and overcome them and put them to death.

And they overcame him through the blood of the Lamb and the word of their witness; and loving not their lives they freely gave themselves up to death.

So the dragon was enraged with the woman, and he went off to wage war on the rest of her children (seed), those who keep and obey the commandments of God and have the testimony of Jesus [holding firmly to it and bearing witness to Him].

And after these things I saw, and the temple of the tabernacle of witness in the heaven was opened;

And I went on my face before his feet to give him worship. And he said to me, See you do it not: I am a brother-servant with you and with your brothers who keep the witness of Jesus: give worship to God: for the witness of Jesus is the spirit of the prophet's word.

And I saw thrones, and they sat upon them, and judgment was given unto them: and I saw the souls of them that were beheaded for the witness of Jesus, and for the word of God, and which had not worshipped the beast, neither his image, neither had received his mark upon their foreheads, or in their hands; and they lived and reigned with Christ a thousand years.

“I, Jesus, have sent My angel to testify to you and to give you assurance of these things for the churches. I am the Root (the Source, the Life) and the Offspring of David, the radiant and bright Morning Star.”

He who gives witness to these things says, Truly, I come quickly. Even so come, Lord Jesus.