laugher vs worker

laugher and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
laugher	Yes	No	No	No
worker	Yes	No	No	No

As nouns, worker is a hypernym of laugher; that is, worker is a word with a broader meaning than laugher:

Other hypernyms of laugher include actor, doer.

laugher (noun)	worker (noun)
an easy victory	sterile member of a colony of social insects that forages for food and cares for the larvae
a person who is laughing or who laughs easily	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done