culture vulture

noun2

1. •
   (informal, humorous) A person with a rapacious, sometimes inauthentic, interest in the arts.

   • Around 59th and Lexington, where Dry Dock Savings Bank is located, pickings are lush for the purple-pantsuited culture vulture. — 1970
2. •
   (slang, disapproving) Someone who engages in cultural appropriation; a cultural appropriator.