petitioner

1. One praying humbly for something (synset 110439776)
   "a suppliant for her favors"
   is a type of: applicant, applier - a person who requests or seeks something such as assistance or employment or admission
   subtypes:

   • besieger - an energetic petitioner
   • postulant - one submitting a request or application especially one seeking admission into a religious order
   • canvasser, solicitor - a petitioner who solicits contributions or trade or votes
   same as: requester, suppliant, supplicant
2. Someone who petitions a court for redress of a grievance or recovery of a right (synset 110691631)
   is a type of: complainant, plaintiff - a person who brings an action in a court of law
   same as: suer

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