A member of a professional criminal organization; a racketeer.
A member of a criminal or street gang.
To act like a gangster; to commit street crime or run a racket.
one who instigates or has involvement with a racket.
one who commits crimes (especially fraud, bribery, loansharking, extortion etc.) to aid in running a shady or illegal business.
to commit crimes systematically as part of a criminal organization.
to carry out illegal business activities or criminal schemes.