barrator

Meanings

1. One who is guilty of barratry, vexing others with frequent and often groundless lawsuits; a brangler and pettifogger.
2. One who abuses their office by dealing fraudulently.
3. One who buys or sells political or ecclesiastic offices.
4. A judge who accepts bribes.
5. A ship's master who commits gross fraud or barratry.
6. A quarrelsome person, one who fights, a bully.

Etymology

From Middle English baratour, from Old French barateor (“deceiver”), from Old French barater, bareter (“to deceive, cheat, barter”). Compare barter (intransitive verb).