a person who counsels; adviser.

a faculty member who advises students on personal and academic problems, career choices, and the like.

an assistant at a children's camp, often a high-school or college student, who supervises a group of children or directs a particular activity, as nature study or a sport.

a lawyer, esp. a trial lawyer; counselor-at-law.

an official of an embassy or legation who ranks below an ambassador or minister.

noun

counselor