Synonyms of complainant

1 Syllable
suers, suer
2 Syllables
claimant, quibblers, plaintiff, blamers, quibbler, fretter, nigglers, niggler, fretters, scolder, blamer, zapper, panner
3 Syllables
nitpicker, slanderer, mudslinger, mudslingers, accuser, aristarch, belittler
4 Syllables
disparager, disapprover