everything

I don't speak Japanese

(law) anybody

which nationality

how many people / (何人も) many people / (何人か) several people

what kind of person

土笛: ocarina

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

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

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