neglecter vs doer

neglecter and doer both are nouns.

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

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

neglecter: a person who is neglectful and gives little attention or respect to people or responsibilities
doer: a person who acts and gets things done

Other hypernyms of neglecter include actor, worker.

neglecter (noun)	doer (noun)
a person who is neglectful and gives little attention or respect to people or responsibilities	a person who acts and gets things done