environment, surroundings / the natural environment

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

(archaic) second-person personal pronoun: you

human / person / people / individual / man / woman / someone

You'll be convinced if you listen to me.

in the middle of a conversation; on the other line of the phone

each person

ecologist