The word "criminator" means one who accuses or charges someone with a crime. Some of the synonyms for "criminator" are accuser, prosecutor, plaintiff, complainant, and indictor. An accuser is someone who charges or accuses another person of wrongdoing. A prosecutor is an official who brings charges in a court of law. A plaintiff is a person or entity that initiates a lawsuit. A complainant is someone who makes a formal complaint or accusation against someone. And an indictor is someone who presents evidence to a grand jury to secure an indictment against the accused. These words are often used interchangeably and can be employed to convey the same meaning as "criminator".