Orthodox Jew vs Hassid

Orthodox Jew and Hassid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orthodox Jew	Yes	No	No	No
Hassid	Yes	No	No	No

As nouns, Hassid is a hyponym of Orthodox Jew; that is, Hassid is a word with a more specific, narrower meaning than Orthodox Jew:

Orthodox Jew: Jew who practices strict observance of Mosaic law
Hassid: a member of a Jewish sect that observes a form of strict Orthodox Judaism

Other hyponyms of Orthodox Jew include Chasid, Chassid, Hasid, Lubavitcher.

Orthodox Jew (noun)	Hassid (noun)
Jew who practices strict observance of Mosaic law	a member of a Jewish sect that observes a form of strict Orthodox Judaism