bouncer
/ˈbaʊnsər/Definitions
1. noun
a person who works at a nightclub or bar, whose job is to control the entrance and refuse entry to unwanted people
“The bouncer at the club was very strict and only let people in who were on the guest list.”
2. verb
to push or throw someone violently, especially as a form of punishment or to control a crowd
“The police officer had to bouncer the rioter out of the area to prevent further violence.”