亡くなる: to die / 無くなる: to disappear, to fade, to get lost

お祖父さん, 御祖父さん, お爺さん, 御爺さん: grandfather, male senior citizen

last year

last year

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

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)