1 Timothy 5:20 in the King James Version
Them that sin rebuke before all, that others also may fear.
Context
19 Don’t receive an accusation against an elder except at the word of two or three witnesses.
20 Those who sin, reprove in the sight of all, that the rest also may be in fear.
21 I command you in the sight of God, and the Lord Jesus Christ, and the chosen angels, that you observe these things without prejudice, doing nothing by partiality.