Chasidim

(noun) a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly. Synonyms: Hasidim, Hassidim, Hasidism, Chassidim.

(noun) a member of a Jewish sect that observes a form of strict Orthodox Judaism. Synonyms: Hasid, Hassid, Chasid, Chassid.