3 occurrences across the corpus

King James Version

Judges 18:7

Then the five men departed, and came to Laish, and saw the people that were therein, how they dwelt careless, after the manner of the Zidonians, quiet and secure; and there was no magistrate in the land, that might put them to shame in any thing; and they were far from the Zidonians, and had no business with any man.

Luke 12:58

When thou goest with thine adversary to the magistrate, as thou art in the way, give diligence that thou mayest be delivered from him; lest he hale thee to the judge, and the judge deliver thee to the officer, and the officer cast thee into prison.

NT Apocrypha/Pseudepigrapha

Acts of Paul and Thecla 7:2

And as soon as they came into the city, a certain Syrian, named Alexander, a magistrate, in the city, who had done many considerable services for the city during his magistracy, saw Thecla and fell in love with her, and endeavoured by many rich presents to engage Paul m his interest.