waster vs saboteur

waster and saboteur both are nouns.

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

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

Other hyponyms of waster include annihilator, iconoclast, image breaker, diversionist, wrecker, vandal.

waster (noun)	saboteur (noun)
someone who dissipates resources self-indulgently	someone who commits sabotage or deliberately causes wrecks
a person who destroys or ruins or lays waste to	a member of a clandestine subversive organization who tries to help a potential invader