mob

[1]	crowd (round/around) , jostle , throng , surround , beset , clamour over , swoop down on/upon
[2]	throng , pack , pile , jam

[1]	rabble , horde , host , rout , press , throng , crowd , pack , herd , swarm , crush , jam , multitude , mass , body , assemblage , collection , group
[2]	rabble , syndicate , crime syndicate , riff-raff , proletariat , family , populace , the masses , great unwashed , hoi polloi , canaille , bourgeoisie , lower classes , scum (of the earth) , dregs of society
[3]	gang , pack , ring