pusher

(noun) one who intrudes or pushes himself forward. Synonyms: thruster.

(noun) an unlicensed dealer in illegal drugs. Synonyms: drug peddler, peddler, drug dealer, drug trafficker.

(noun) someone who pushes. Synonyms: shover.

(noun) a sandal attached to the foot by a thong over the toes. Synonyms: zori.

(noun) a small vehicle with four wheels in which a baby or child is pushed around. Synonyms: baby buggy, baby carriage, carriage, perambulator, pram, stroller, go-cart, pushchair.