Synonyms:
- accusant,
- accuser,
- allegator,
- appellant,
- bellyacher,
- claimant,
- complainer,
- crab,
- crank,
- croaker,
- delator,
- faultfinder,
- frondeur,
- griper,
- grouch,
- grouser,
- growler,
- grumbler,
- impeacher,
- impugner,
- indictor,
- informer,
- kicker,
- kvetch,
- libelant,
- malcontent,
- murmurer,
- mutterer,
- party,
- petitioner,
- plaintiff,
- prosecutor,
- querulous person,
- reactionary,
- reactionist,
- rebel,
- sorehead,
- suitor,
- the prosecution,
- whiner