a personal or private matter / (by extension) selfishness

personal, private / secret

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

private; mine

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

founder

a type of corporation under Japanese law, analogous to an American business corporation or British public limited company

joint venture

airline (company that flies airplanes)

credit company