arguer

a person who takes part in a dispute he's is demand on the Sunday morning political shows because he's an eager and indefatigable arguer Synonyms disputant, argufier, bickerer, brawler, debater, disputer, fighter, quarreler (or quarreller), scrapper, squabbler, wranglerRelated Words advocate, codefendant, defendant, plaintiff, pleader; challenger, contender, contestant, skirmisher; fusser, nitpicker, pettifogger, quibbler