A person who makes a request or request to an office or office. It is usually done in writing and must be answered in the same way. Applicant.
Orderer: who asks for something with anger and abruptness.
Petitioner (ria), is the person who makes or files a petition with an authority or before a public or private entity. The request can be verbal or written.
petitioner: Jesus said be a demand or a legal, official or public request that someone requests.