Acts 19:38
If then Demetrius and his craftsmen have a grievance against any one, the courts are open and there are the proconsuls; let them accuse one another.
Acts 13:7
who belonged to the suite of the proconsul, Sergius Paulus, an intelligent man. He summoned Barnabas and Saul, and sought to hear the word of God.
Acts 18:14
Paul was about to open his mouth, when Gallio said to the Jews. "If it had been some misdemeanor or wicked villainy, it would have been within reason for me to listen to you Jews;
1 Corinthians 6:1
Dare any one of you who has a grievance against his neighbor go to law before heathen judges, instead of before the saints?