Meaning of OFFICER in English
1》 a person holding a position of authority, especially a member of the armed forces who holds a commission or a member of the police force.
2》 a holder of a post, especially of a public, civil, or ecclesiastical office.
3》 a member of a certain grade in some honorary orders, such as the grade next below commander in the Order of the British Empire.
■ verb provide with an ~ or ~s.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004