petitioner
//pəˈtɪʃənər//
Noun
petitionerSingular
petitionersPlural
1
A person who makes a formal written request or appeal to an authority, court, or government body.
The petitioner submitted a formal request to the court for a review of the case.
2
A person who initiates legal proceedings, especially in divorce or other civil matters.
The petitioner filed for divorce in the family court.