A more thorough explanation:

Term: Petitor
Definition: A petitor is someone who brings a case to court as the plaintiff. In Roman law, a petitor is the same as an actor. Examples: - John filed a lawsuit against his former employer for wrongful termination. He is the petitor in this case. - Mary is suing her neighbor for property damage. She is the petitor in this case. Explanation: A petitor is the person who initiates a legal action by bringing a case to court. In the examples given, John and Mary are both plaintiffs who have filed lawsuits against someone else. They are the petitors in their respective cases.