IN: Which person is they?
LA Galaxy is constantly seeking famous players to fill their ranks, but they are constantly sought after by many teams with offers.
OUT: famous players

IN: Which person is they?
Chase Freedom provides quarterly bonuses as incentives for accounts, since they want them to use their card.
OUT: Chase Freedom

IN: Which person is him?
Michael backed Bill because John really liked him.
OUT: Bill

IN: Which person is he?
Obama beat John McCain, because he failed to win the majority of the electoral votes.
OUT:
John McCain