toucher vs worker

toucher and worker both are nouns.

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

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

toucher: a person who causes or allows a part of the body to come in contact with someone or something
worker: a person who acts and gets things done

Other hypernyms of toucher include actor, doer.

toucher (noun)	worker (noun)
a person who causes or allows a part of the body to come in contact with someone or something	sterile member of a colony of social insects that forages for food and cares for the larvae
	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