runaway vs doer

runaway and doer both are nouns.

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

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

Other hypernyms of runaway include actor, worker.

runaway (noun)	doer (noun)
an easy victory	a person who acts and gets things done
someone who flees from an uncongenial situation

runaway (adjective)	doer (adjective)
completely out of control