It means the one who asks or requests, the one who makes a request or request. Petitioner
that means petente is incorrectly written and should be written as "petente" being its meaning: Anyone who requests or transacts
petente is who filed the demand or request a procedure and must sign the letter to ensure validity.
Petitioner, claimant
Petitioner. The legal and judicial language is often used. Who requests or requests or demand something.