picker vs farmhand

picker and farmhand both are nouns.

Word	Noun	Adjective	Verb	Adverb
picker	Yes	No	No	No
farmhand	Yes	No	No	No

As nouns, farmhand is a hypernym of picker; that is, farmhand is a word with a broader meaning than picker:

Other hypernyms of picker include farm worker, field hand, fieldhand.

picker (noun)	farmhand (noun)
someone who gathers crops or fruits etc.	a hired hand on a farm
a person who chooses or selects out