churl in WordNet English dictionary

1. a crude uncouth ill-bred person lacking culture or refinement
   peasant  barbarian  boor  churl  Goth  tyke  tike 
   
2. a bad-tempered person
   grouch  grump  crank  churl  crosspatch 
   
3. a selfish person who is unwilling to give or spend
   niggard  skinflint  scrooge  churl