use, usage, utilization, application / exploitation, taking advantage of

private interest, personal interest

public duty, official business

use, utilize / exploit, take advantage of

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

user

recycling / reuse

recycle / reuse