(informal, education) graduate-school graduate

call oneself

self-styled, calling oneself

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

low-ranking soldier / Short for 卒業. / Short for 卒族. / Short for 卒去.

graduate / complete / finish / sudden

(historical) Ex-emperor, ex-empress or entitled as equal-to-emperor/empress in cloister (derived from "mansion"; the high nobles are not addressed directly, but with their residence as substitution)

institution / Short for 病院, 大学院, etc.