Acts 19:38
If then Demetrius and the craftsmen with him have a complaint against anyone, the courts are open, and there are proconsuls; let them bring charges against one another.
Acts 13:7
who was with the proconsul, Sergius Paulus, a man of intelligence. This man summoned Barnabas and Saul and sought to hear the word of God.
Acts 18:14
But when Paul was about to open his mouth, Gallio said to the Jews, "If it were a matter of wrong or of vicious crime, O Jews, it would be reasonable for me to put up with you;
1 Corinthians 6:1
When any one of you has a grievance against a brother, does he dare go to law before the unrighteous instead of before the saints?