pusher

Someone or something that pushes.
A person employed to push passengers onto trains at busy times, so they can depart on schedule.
(slang) A girl or woman.
(colloquial) A drug dealer.
An aircraft with the propeller behind the fuselage.
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).
A defensive player who does not attempt to hit winners, instead playing slower shots into the opponent's court.
(informal) A tolkach.
Synonym of banker (“type of railway locomotive”)
A device in a coke oven for levelling the coal, traditionally operated by a pusherman.