adviser

noun

1. one who gives advice.
2. Education. a teacher responsible for advising students on academic matters.
3. a fortuneteller.

noun

1. a person who advises
2. education a person responsible for advising students on academic matters, career guidance, etc
3. British education a subject specialist who advises heads of schools on current teaching methods and facilities

n.

1610s, agent noun from advise (v.). Meaning “military person sent to help a government or army in a foreign country” is recorded from 1915. Alternative form, Latinate advisor, is perhaps a back-formation from advisory.