complainant
noun /kəmˈpleɪnənt/
/kəmˈpleɪnənt/
(also plaintiff)
(law- a person who makes a formal complaint against somebody in court
Topics Law and justicec2原告;起诉人 词源late Middle English: from French complaignant, present participle of complaindre ‘to lament’, from medieval Latin complangere ‘bewail’, from Latin com- (expressing intensive force) + plangere ‘to lament’.