Matthew 18:17
If he refuses to listen to them, tell it to the church; and if he refuses to listen even to the church, let him be to you as a Gentile and a tax collector.
2 Corinthians 5:16
From now on, therefore, we regard no one from a fleshly point of view; even though we once regarded Christ from a fleshly point of view, we regard him thus no longer.
Galatians 2:11
But when Cephas came to Antioch, I opposed him to his face, because he stood condemned.
1 Timothy 5:20
Those who continue in sin, rebuke in the presence of all, so that the rest also may be fearful of sinning.
Titus 2:15
Speak these things; exhort and reprove with all authority. Let no one disregard you.