What is the technical term for a "business owner" in a college application?

Question

My college application is asking for the occupation of my father. My father owns and runs his own store of groceries, dried goods, canned goods, and fresh vegetables. what is the technical term for his occupation?

Answer 1

"business owner" sounds good to me. "Grocer" would do too.

Answer 2

a Grocer, purveyor, Proprietor of a grocery store.

Answer 3

Self-Employed, Entrepreneur, or business owner is fine.