Synonyms for Churl (same or very similar meaning)
WordNet sense 1 (a crude uncouth ill-bred person lacking culture or refinement):
barbarian, boor, peasant, tike, tyke, GothWordNet sense 2 (a selfish person who is unwilling to give or spend):
niggard, scrooge, skinflintWordNet sense 3 (a bad-tempered person):
crank, crosspatch, grouch, grumpFrom the ODE community, based on WordNetadd/edit