stringer vs worker

stringer and worker both are nouns.

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

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

stringer (noun)	worker (noun)
a long horizontal timber to connect uprights	sterile member of a colony of social insects that forages for food and cares for the larvae
brace consisting of a longitudinal member to strengthen a fuselage or hull	a person who works at a specific occupation
a worker who strings	a member of the working class (not necessarily employed)
a member of a squad on a team	a person who acts and gets things done