lightning rod vs doer

lightning rod and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
lightning rod	Yes	No	No	No
doer	Yes	No	No	No

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

lightning rod: someone who is a frequent target of negative reactions and serves to distract attention from another
doer: a person who acts and gets things done

Other hypernyms of lightning rod include actor, worker.

lightning rod (noun)	doer (noun)
a metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning	a person who acts and gets things done
someone who is a frequent target of negative reactions and serves to distract attention from another