mobster
US /ˈmɑːb.stɚ/
UK /ˈmɑːb.stɚ/

1.
gangster, mafioso
a member of a criminal gang, especially one involved in the Mafia
:
•
The police arrested a notorious mobster for racketeering.
La police a arrêté un célèbre gangster pour racket.
•
He was known as a ruthless mobster in the city's underworld.
Il était connu comme un gangster impitoyable dans le milieu criminel de la ville.