Gemini vs worker

Gemini and worker both are nouns.

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

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

Other hypernyms of Gemini include actor, doer.

Gemini (noun)	worker (noun)
the third sign of the zodiac; the sun is in this sign from about May 21 to June 20	sterile member of a colony of social insects that forages for food and cares for the larvae
a zodiacal constellation in the Northern Hemisphere between Taurus and Cancer on the ecliptic	a person who works at a specific occupation
(astrology) a person who is born while the sun is in Gemini	a member of the working class (not necessarily employed)
	a person who acts and gets things done