Rom

1. (member of the people) Rom; Roma man
   U ovom naselju živi mnogo Roma. — Many Roma live in this neighborhood.
   Njegov komšija je Rom i odličan muzičar. — His neighbor is Roma and a great musician.

Written with a capital letter (Rom, a woman is Romkinja, pl. Romi); the word Ciganin (f. Ciganka, pl. Cigani) is widely considered offensive. Russian цыган is neutral, so its connotation differs from Serbian Ciganin and corresponds rather to Rom.