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

私たち: us; we

私: I; first person pronoun

responsibility / duty / term / entrust to / appoint

duty, responsibility, obligation

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

Alternative spelling of 私達 (“we; us”)

(formal) we, us

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

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law