Answer:
Self Employed
Step-by-step explanation:
Self employed is the person who not working under someone and is independent to work or is owner of the business. In this case, Glenn is owner of his shop and is working for his own business not for someone else so he is self-employed. Another examples of self employed are freelancers, shopkeepers (who own the business), owner of utensil stores, etc.
In simple words the owner of the business is self employed.