A senior officer who acts as a mentor.
A Jewish scholar or teacher of halacha (Jewish law), capable of making halachic decisions.
A Jew who is or is qualified to be the leader of a Jewish congregation.
A person who is considered eminent because of their achievements.
A person of learning, especially one who is versed in literature or science.
A person with significant mental disabilities who is very gifted in one area of activity, such as playing the piano or mental arithmetic.