Simon Legree vs employer

Simon Legree and employer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Simon Legree	Yes	No	No	No
employer	Yes	No	No	No

As nouns, employer is a hypernym of Simon Legree; that is, employer is a word with a broader meaning than Simon Legree:

Simon Legree: a cruel employer who demands excessive work from the employees
employer: a person or firm that employs workers

Simon Legree (noun)	employer (noun)
the cruel slave dealer in an anti-slavery novel by Harriet Beecher Stowe	a person or firm that employs workers
a cruel employer who demands excessive work from the employees