treasonist vs saboteur

treasonist and saboteur both are nouns.

Word	Noun	Adjective	Verb	Adverb
treasonist	Yes	No	No	No
saboteur	Yes	No	No	No

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

treasonist: someone who betrays his country by committing treason
saboteur: a member of a clandestine subversive organization who tries to help a potential invader

Other hyponyms of treasonist include collaborationist, collaborator, quisling, fifth columnist, traitress.

treasonist (noun)	saboteur (noun)
someone who betrays his country by committing treason	someone who commits sabotage or deliberately causes wrecks
	a member of a clandestine subversive organization who tries to help a potential invader