A home decor designer; a person in the business of interior design(noun)
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Use "interior designer" in a sentence
"My thanks to James C. Orenstein, Assistant District Attorney for Hampden County, Massachusetts, for his writerly eye and ear; Annick Porter, interior designer to the fictionally rich and budgetless; Christopher N. Otis, M.D., Director of Surgical Pathology at Baystate Medical Center; Chuck Stern, who is both an artist and a doughnut maker’s son; and Steven Palat, bagel maven."
"Quentin had married interior designer Elizabeth Donovan and become father to a baby boy."