Gal 6:1 Brothers, if anyone is caught in any transgression, you who are spiritual should restore him in a spirit of gentleness. Keep watch on yourself, lest you too be tempted.
Gal 6:2 Bear one another's burdens, and so fulfill the law of Christ.
Gal 6:3 For if anyone thinks he is something, when he is nothing, he deceives himself.
Gal 6:4 But let each one test his own work, and then his reason to boast will be in himself alone and not in his neighbor.
Mat 18:15 "If your brother sins against you, go and tell him his fault, between you and him alone. If he listens to you, you have gained your brother.
Mat 18:16 But if he does not listen, take one or two others along with you, that every charge may be established by the evidence of two or three witnesses.
Mat 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.
Mat 18:18 Truly, I say to you, whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven.
Mat 18:19 Again I say to you, if two of you agree on earth about anything they ask, it will be done for them by my Father in heaven.
Mat 18:20 For where two or three are gathered in my name, there am I among them."
Mat 18:21 Then Peter came up and said to him, "Lord, how often will my brother sin against me, and I forgive him? As many as seven times?"
Mat 18:22 Jesus said to him, "I do not say to you seven times, but seventy-seven times.
Mat 18:23 "Therefore the kingdom of heaven may be compared to a king who wished to settle accounts with his servants.
Mat 18:24 When he began to settle, one was brought to him who owed him ten thousand talents.
Mat 18:25 And since he could not pay, his master ordered him to be sold, with his wife and children and all that he had, and payment to be made.
Mat 18:26 So the servant fell on his knees, imploring him, 'Have patience with me, and I will pay you everything.'
Mat 18:27 And out of pity for him, the master of that servant released him and forgave him the debt.
Mat 18:28 But when that same servant went out, he found one of his fellow servants who owed him a hundred denarii, and seizing him, he began to choke him, saying, 'Pay what you owe.'
Mat 18:29 So his fellow servant fell down and pleaded with him, 'Have patience with me, and I will pay you.'
Mat 18:30 He refused and went and put him in prison until he should pay the debt.
Mat 18:31 When his fellow servants saw what had taken place, they were greatly distressed, and they went and reported to their master all that had taken place.
Mat 18:32 Then his master summoned him and said to him, 'You wicked servant! I forgave you all that debt because you pleaded with me.
Mat 18:33 And should not you have had mercy on your fellow servant, as I had mercy on you?'
Mat 18:34 And in anger his master delivered him to the jailers, until he should pay all his debt.
Mat 18:35 So also my heavenly Father will do to every one of you, if you do not forgive your brother from your heart."
Note, the following one is during a discussion of "disputable" matters, so it should not be seen as a contradiction of his views in Corinth.
Rom 14:10 Why do you pass judgment on your brother? Or you, why do you despise your brother? For we will all stand before the judgment seat of God;
Rom 14:11 for it is written, "As I live, says the Lord, every knee shall bow to me, and every tongue shall confess to God."
Rom 14:12 So then each of us will give an account of himself to God.
Rom 14:13 Therefore let us not pass judgment on one another any longer, but rather decide never to put a stumbling block or hindrance in the way of a brother.
All of the small book of Jude is helpful.
First Timothy is also a good selection. Timothy has been left in charge of correcting certain segments. It emphasizes not only Timothy's need for doctrinal purity but a life that exemplifies his teaching.