Synonyms and related words :
accessory, accused, actionable, appellant, appellee, bitter-ender, brawler, causidical, defendant, diehard, disputant, dissentient, dissident, intransigent, irreconcilable, last-ditcher, litigable, litigationist, litigator, litigatory, litigious, naysayer, negativist, noncooperator, objector, obstructionist, obstructive, opposer, oppositionist, panel, parties litigant, party, petitioner, plaintiff, protester, quarreler, resister, scrapper, suitor, witness, wrangler