pusher

1. Someone or something that pushes.
2. A person employed to push passengers onto trains at busy times, so they can depart on schedule.
3. A girl or woman. (slang)
4. A drug dealer. (colloquial)
5. An aircraft with the propeller behind the fuselage.
6. A device that one pushes in order to transport a baby while on foot, such as a stroller or pram (as opposed to a carrier such as a front or back pack).
7. A defensive player who does not attempt to hit winners, instead playing slower shots into the opponent's court.
8. A tolkach. (informal)

Çoğul pushers