to inform, to teach, to instruct / to tell

an elder / a scholar / a teacher or a professor / sensei (Japanese martial arts teacher) / sir, a polite form of address to teachers, doctors, etc.

a title used after the name of teachers, doctors, lawyers, or certain other professionals

(dialect, Hakata) teacher, professor

will you marry me

mathematics (field of study)

(chiefly women's speech) first person singular pronoun: I, me

teachings, doctrine, lesson

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness