amourist
/ˈamʊərist/Definitions
1. noun
A person who engages in romantic or amorous relationships with multiple partners, often without a long-term commitment.
“She was an amourist, known for her string of romantic conquests.”
2. noun
A person who is fond of or an enthusiast of romantic love.
“He was a bit of an amourist, always looking for the next great love story.”