slave vs hard worker

slave and hard worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
slave	Yes	No	Yes	No
hard worker	Yes	No	No	No

As nouns, slave and hard worker are synonyms defined as:

Other synonyms of slave include striver.

slave (noun)	hard worker (noun)
a person who is owned by someone	someone who works as hard as a slave
someone who works as hard as a slave
someone entirely dominated by some influence or person

slave (verb)	hard worker (verb)
work very hard, like a slave