Senpai vs. Sensei: What's the Difference?

The senior member of a group in Japanese arts; a mentor.

A teacher or mentor, especially of a martial art.

An upperclassman or elder student.

Used as a form of address for such a person.

A martial arts instructor. Sensei of martial arts usually live and/or work at a dojo where they instruct their apprentices. A live-in apprentice is also called uchi-deshi.

A Japanese (language) teacher.

A suffix attached to the name of a teacher (principally in translations from Japanese)