a mountain (large mass of earth and rock) or (large) hill / a mine (excavation usually consisting of small tunnels) / a heap, pile / the top or high part of an object / a chance, gamble / a climax, peak

後に: subsequently, later on

後: a time after the present time

then / soon afterward; after that; thereafter

later, afterwards, some time after the present

a surname / a place name

to stand, to stand up, to rise / to depart / to close / of something physical but not solid or liquid: to be released, to rise

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