RhymeZone: barrator definitions

Definitions of barrator:

noun: One who is guilty of barratry, vexing others with frequent and often groundless lawsuits; a brangler and pettifogger.
noun: (obsolete) One who buys or sells political or ecclesiastic offices.
noun: A judge who accepts bribes.
noun: (maritime, admiralty law) A ship's master who commits gross fraud or barratry.
noun: (archaic) A quarrelsome person, one who fights, a bully.

(Definitions from Wiktionary)