agriculturist vs farm worker

agriculturist

noun
  • One who practices agriculture, a farmer, a gardener. 

  • An expert in agriculture who advises farmers. 

adj
  • Of or pertaining to agriculture or agriculturists. 

farm worker

noun
  • A person who works on, but does not own, a farm; an agricultural labourer. 

How often have the words agriculturist and farm worker occurred in a corpus of books? (source: Google Ngram Viewer )