A person without religious affiliation who carries out similar duties in a secular context.
A member of a religious body who is (often, although not always, of the clergy) officially assigned to provide pastoral care at an institution, group, private chapel, etc.
A Jew who is or is qualified to be the leader of a Jewish congregation.
A Jewish scholar or teacher of halacha (Jewish law), capable of making halachic decisions.
A senior officer who acts as a mentor.