participation, commitment

to participate, to join, to enter

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

a cocktail party

interrogative personal pronoun: who, whom

(archaic) interrogative personal pronoun: who, whom

(obsolete, persists in some fossilized expressions) interrogative personal pronoun: who, whom

anyone