Synonyms:
- bitter-ender,
- brawler,
- defendant,
- diehard,
- disputant,
- dissentient,
- dissident,
- intransigent,
- irreconcilable,
- last-ditcher,
- litigant,
- naysayer,
- negativist,
- noncooperator,
- objector,
- obstructionist,
- obstructive,
- opposer,
- oppositionist,
- plaintiff,
- protester,
- quarreler,
- scrapper,
- wrangler