close friend, bosom buddy / crony, chum

恭一: a male given name

共産: communism / 協賛: collaboration by companies or groups on events or projects

協賛: to support

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

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

a personal or private matter / (by extension) selfishness

(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