Deuteronomy 13:14

13:14 You must investigate thoroughly and inquire carefully. If it is indeed true that such a disgraceful thing is being done among you,

Jude 1:12

1:12 These men are dangerous reefs at your love feasts, feasting without reverence, feeding only themselves. They are waterless clouds, carried along by the winds; autumn trees without fruit – twice dead, uprooted;

Proverbs 20:18

20:18 Plans are established by counsel,

so make war with guidance.

Matthew 18:15

Restoring Christian Relationships

18:15 “If your brother sins, go and show him his fault when the two of you are alone. If he listens to you, you have regained your brother.