instructor; teacher; professor
Refers to a teacher or instructor in a formal institutional setting such as a school, training academy, military, or driving school. Often implies a role with authority or specialized training duties.
The driving school instructor was very strict.
He taught for many years as a university instructor.
He is an instructor in the Self-Defense Forces.
She says she wants to become a driving school instructor in the future.
The new recruits continued their training under the guidance of the instructor.