Matthew 18 - NLT

If another believer sins against you, go privately and point out the offense. If the other person listens and confesses it, you have won that person back.
Matthew 18:15 sin speaking listening
If the person still refuses to listen, take your case to the church. Then if he or she won’t accept the church’s decision, treat that person as a pagan or a corrupt tax collector.
Matthew 18:17 church sin listening

For where two or three gather together as my followers, I am there among them.
Matthew 18:20 Jesus community prayer
Then Peter came to him and asked, “Lord, how often should I forgive someone who sins against me? Seven times?” “No, not seven times,” Jesus replied, “but seventy times seven!”
Matthew 18:21-22 forgiveness neighbor sin