antagonist vs Luddite

antagonist and Luddite both are nouns.

Word	Noun	Adjective	Verb	Adverb
antagonist	Yes	No	No	No
Luddite	Yes	No	No	No

As nouns, Luddite is a hyponym of antagonist; that is, Luddite is a word with a more specific, narrower meaning than antagonist:

Other hyponyms of antagonist include dueler, duelist, dueller, duellist, enemy, foe, foeman, opposition, withstander.

antagonist (noun)	Luddite (noun)
a drug that neutralizes or counteracts the effects of another drug	one of the 19th century English workmen who destroyed laborsaving machinery that they thought would cause unemployment
a muscle that relaxes while another contracts	any opponent of technological progress
someone who offers opposition