dreamer vs woolgatherer

dreamer and woolgatherer both are nouns.

Word	Noun	Adjective	Verb	Adverb
dreamer	Yes	No	No	No
woolgatherer	Yes	No	No	No

As nouns, woolgatherer is a hypernym of dreamer; that is, woolgatherer is a word with a broader meaning than dreamer:

Other hypernyms of dreamer include daydreamer.

dreamer (noun)	woolgatherer (noun)
a person who escapes into a world of fantasy	someone who indulges in idle or absentminded daydreaming
someone guided more by ideals than by practical considerations
someone who is dreaming