folk in WordNet English dictionary

1. people in general (often used in the plural)
   "they're just country folk"; "folks around here drink moonshine"; "the common people determine the group character and preserve its customs from one generation to the next"
   folk  folks  common people 
   
2. the traditional and typically anonymous music that is an expression of the life of people in a community
   folk music  ethnic music  folk 
   
3. people descended from a common ancestor
   "his family has lived in Massachusetts since the Mayflower"
   family  family line  folk  kinfolk  kinsfolk  sept  phratry 
   
4. a social division of (usually preliterate) people
   tribe  folk