mob

nouns

a disorderly crowd of people

mob, rabble, rout

a loose affiliation of gangsters in charge of organized criminal activities

crime syndicate, family, mob, syndicate

is derived from

an association of criminals

"police tried to break up the gang"; "a pack of thieves"

gang, mob, pack, ring

is derived from

press tightly together or cram

"The crowd packed the auditorium"

jam, mob, pack, pile, throng