Petitioner

مترادف و متضاد petitioner

1. noun One that asks a higher authority for something, as a favor or redress
   Synonyms: appealer, appellant, suitor
2. noun A person who applies for or seeks something, such as a job or position
   Synonyms: applicant, candidate, claimant, solicitor, aspirant, suer, suppliant, hopeful, suitor, seeker, supplicant, requester