noun
train pusher; station staff who push passengers into crowded trains
Refers to station attendants who physically push passengers into packed train carriages during rush hours, a well-known role in Japanese urban railways.
朝のラッシュ時には、押し屋が乗客を電車に押し込む姿が見られる。
During the morning rush, you can see train pushers shoving passengers into the train.
駅員 is a general station attendant, while 押し屋 specifically refers to those who push passengers into crowded trains.
Compound of 押し (pushing, from verb 押す) and 屋 (suffix for a person in a trade or occupation). The exact historical origin is uncertain, but the term likely emerged with the growth of crowded urban railways.