To enlist (someone) or make (someone) a member of
To enlist oneself (in something) or become a member (of something)
To enter (a name, etc.) in a register, roll or list
To cause (someone) to learn or understand (something).
To pass on knowledge generally, especially as one's profession; to act as a teacher.
To pass on knowledge to.
To cause to know the disagreeable consequences of some action.
teacher