thug
noun /θʌɡ/
  /θʌɡ/
 - a violent person, especially a criminal
- He was beaten up by a gang of thugs.
 - The people who do these sorts of things are just mindless thugs.
 
Oxford Collocations Dictionaryadjective- teenage
 - young
 - street
 - …
 
- bunch
 - gang
 
Word Originearly 19th cent. (originally referring to a member of an organization of robbers and assassins in India): from Hindi ṭhag ‘swindler, thief’, based on Sanskrit sthagati ‘he covers or conceals’. The current sense arose in the mid 19th cent.