5 Bible Verses about Character Assassination

"For this reason I am sending to you Prophets and wise men and Scribes. Some of them you will put to death--nay, crucify; some of them you will flog in your synagogues and chase from town to town;

Let no unwholesome words ever pass your lips, but let all your words be good for benefiting others according to the need of the moment, so that they may be a means of blessing to the hearers. And beware of grieving the Holy Spirit of God, in whom you have been sealed in preparation for the day of Redemption. Let all bitterness and all passionate feeling, all anger and loud insulting language, be unknown among you--and also every kind of malice.read more.
On the contrary learn to be kind to one another, tender-hearted, forgiving one another, just as God in Christ has also forgiven you.

For John the Baptist has come eating no bread and drinking no wine, and you say, 'He has a demon!'

But the Jews who had refused obedience stirred up the Gentiles and embittered their minds against the brethren.

And the passers-by reviled Him. They shook their heads at Him and said, "You who would pull down the Sanctuary and build a new one within three days, save yourself. If you are God's Son, come down from the cross." In like manner the High Priests also, together with the Scribes and the Elders, taunted Him.read more.
"He saved others," they said, "himself he cannot save! He is the King of Israel! Let him now come down from the cross, and we will believe in him. His trust is in God: let God deliver him now, if He will have him; for he said, 'I am God's Son.'" Insults of the same kind were heaped on Him even by the robbers who were being crucified with Him.