Definitions of complainant
a person who brings a civil action in court or who makes a criminal accusation that leads to a criminal prosecution
The complainant filed suit seeking damages for breach of contract.
There are multiple definitions - click on the translation that matches your context.
complainant means:
Substantiv
partial
a person who brings a civil action in court or who makes a criminal accusation that leads to a criminal prosecution
The complainant filed suit seeking damages for breach of contract.