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

personal, private / secret

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

Alternative spelling of 私達 (“we; us”)

private; mine

natural / spontaneous

naturally / spontaneously / rarely / coincidentally

buck-passing, blame-switching

a person in charge; a person responsible

a sense of responsibility