What does "complainant" mean?

One who makes complaint, one who complains.

What is a synonym for "complainant"?

Common synonyms include: plaintiff, accusant, accuser, accuser, accusers, allegator.

Pronounced //kəmˈpleɪnənt//.

/kəmˈpleɪnənt/ noun

noun ·Uncommon ·Advanced level

Noun

1
One who makes complaint, one who complains.
"1708-1714 Jeremy Collier, Ecclesiastical History of Great Britain Eager complainants […] in the dispute."
2
a person who brings an action in a court of law wordnet
3
The party that brings a civil lawsuit against another; the plaintiff.
4
An alleged victim in a criminal investigation or trial.

"1708-1714 Jeremy Collier, Ecclesiastical History of Great Britain Eager complainants […] in the dispute."

From Old French complaignant, present participle of complaindre.