Mentors can train up to 2 apprentices at a time. To become a mentor, you must have 25,000HP and you must have a Mentor License, which cost 420,000gil, and can only be bought from the Shop. Mentors may only teach abilities of magic and limit breaks to that of the level they have acquired. You must of course be in the same city. Here is a list of mentors and their apprentices.

MENTORS:
none

APPRENTICES:
none