5 Bible Verses about Character Assassination

That is why I send you Prophets, wise men, and Teachers of the Law, some of whom you will crucify and kill, and some of whom you will scourge in your Synagogues, and persecute from town to town;

Never let any foul word pass your lips, but only such good words as the occasion demands, that they may be a help to those who hear them. And do not grieve God's Holy Spirit; for it was through that Spirit that God sealed you as his, against the Day of Redemption. Let all bitterness, passion, anger, brawling, and abusive language be banished from among you, as well as all malice.read more.
Be kind to one another, tenderhearted, ready to forgive one another, just as God, in Christ, forgave you.

For now that John the Baptist has come, not eating bread or drinking wine, you are saying 'He has a demon in him';

But the Jews who refused to believe stirred up the Gentiles, and poisoned their minds against the Brethren.

The passers-by railed at him, shaking their heads as they said: "You who 'destroy the Temple and build one in three days,' save yourself! If you are God's Son, come down from the cross!" In the same way the Chief Priests, with the Teaches of the Law and Councillors, said in mockery:read more.
"He saved others, but he cannot save himself! He is the 'King of Israel'! Let him come down from the cross now, and we will believe in him. He has trusted in God; if God wants him, let him deliver him now; for he said 'I am God's Son.'" Even the robbers, who were crucified with him, reviled him in the same way.