Mob

Etymology
From the sense, capitalized and used as a.

Proper noun

 * 1)  The : any particular mafia, mentioned uniquely within the discussion's established or implicit context, usually and especially the Sicilian–Italian–Italian-American one (especially in American English) but occasionally others (e.g., the Russian one, the Japanese one).
 * 2)  The masses, especially the 'great unwashed masses': the, or (yet more specifically) the rabble thereof, viewed as one  of unruly, disorganized people  to  and.

Etymology
.

Noun

 * 1)  unruly group of people