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

(dialect, Hakata) teacher, professor

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

teachers / doctors

a surname The 4th most common surname in Japan.

mathematics (field of study)

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

Alternative spelling of 私達 (“we; us”)

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

a personal or private matter / (by extension) selfishness