contemplative vs doer

contemplative and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
contemplative	Yes	Yes	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of contemplative; that is, doer is a word with a broader meaning than contemplative:

Other hypernyms of contemplative include actor, worker.

contemplative (noun)	doer (noun)
a person devoted to the contemplative life	a person who acts and gets things done

contemplative (adjective)	doer (adjective)
deeply or seriously thoughtful