person's identity / person's background

to be masked, to wear a mask

mask (cover for the face) / anonymous

to hide, to conceal

that which is hidden / that which is protected from outside / (clothing) pocket

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

to turn on, to switch on

alone, lonely / conspicuous, outstanding / minute, tiny