'Testifying' in the Bible

Yet you ask, "Why?" The Lord is testifying against you on behalf of the wife you married when you were young, to whom you have become unfaithful even though she is your companion and wife by law.

So the high priest stood up and said to him, "Have you no answer? What is this that they are testifying against you?"

Then the high priest stood up before them and asked Jesus, "Have you no answer? What is this that they are testifying against you?"

The world cannot hate you, but it hates me, because I am testifying about it that its deeds are evil.

Now when Silas and Timothy arrived from Macedonia, Paul became wholly absorbed with proclaiming the word, testifying to the Jews that Jesus was the Christ.

testifying to both Jews and Greeks about repentance toward God and faith in our Lord Jesus.

I have experienced help from God to this day, and so I stand testifying to both small and great, saying nothing except what the prophets and Moses said was going to happen:

They set a day to meet with him, and they came to him where he was staying in even greater numbers. From morning until evening he explained things to them, testifying about the kingdom of God and trying to convince them about Jesus from both the law of Moses and the prophets.