Synonyms and related words :
accessory, accused, bitter-ender, brawler, correspondent, diehard, disputant, dissentient, dissident, intransigent, irreconcilable, last-ditcher, libelee, litigant, litigationist, litigator, naysayer, negativist, noncooperator, objector, obstructionist, obstructive, opposer, oppositionist, panel, parties litigant, party, plaintiff, prisoner, protester, quarreler, resister, respondent, scrapper, suitor, suspect, witness, wrangler,