petitioner
noun /pəˈtɪʃənə(r)/
/pəˈtɪʃənər/
- a person who organizes or signs a petition
请愿者 - (law
) a person who asks a court to take a particular course of action法律 诉愿人;上诉人 - (formal) a person who makes a formal request to somebody in authority
恳求者;请求者