Farmer
Part of speech: noun
Definition: A person who works the land or who keeps livestock, especially on a farm. Agent noun of farm; someone or something that farms.
Example sentence: My mom had Julia Child and 'The Fannie Farmer Cookbook' on top of the refrigerator, and she had a small repertoire of French dishes.
Agriculturist
Part of speech: noun
Definition: One who practices agriculture, a farmer, a gardener.
Part of speech: adjective
Definition: Of or pertaining to agriculture or agriculturists.