1 Corinthians 6:1
Dare any of you, having a matter against another, refer it to the unjust, and not to the saints?
But if thy brother shall sin against thee, go and tell him his fault, between thee and him alone: if he will hear thee, thou hast gained thy brother.
And when Paul was about to open his mouth, Gallio said to the Jews, If it were an act of injustice or wicked licentiousness, O ye Jews, reason would that I should bear with you.
If then Demetrius and the artificers that are with him, have a charge against any one, the courts are held, and there are proconsuls; let them implead one another.
1 Corinthians 1:2
and Sosthenes a brother, To the church of God, which is in Corinth, to them that are sanctified through Christ Jesus, called and holy, with all that in every place call upon the name of our Lord Jesus Christ, both theirs and ours:
1 Corinthians 6:6-7
But brother goeth to law with brother, and this before the infidels.
1 Corinthians 14:33
For God is not the author of confusion, but of peace, as in all the churches of the saints.
1 Corinthians 16:1
Concerning the collection for the saints, as I have ordered the churches of Galatia, so also do ye.
1 Corinthians 16:15
And I beseech you, brethren, as ye know the houshold of Stephanas, that it is the first-fruits of Achaia, and that they have devoted themselves to serve the saints,