barrator

noun6

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. •
   A judge who accepts bribes.
4. •
   A ship's master who commits gross fraud or barratry.
5. •
   (no longer used) A quarrelsome person, one who fights, a bully.

   • I care not though men call me impudent, / Smooth-tongu'd, audacious, petulant, abhominable, / Forger of vvords and lie, contentious Barretour, / Old, vvinding, bragging, testy, crafty fox. — 1655
6. •
   (no longer used) One who buys or sells political or ecclesiastic offices.