Someone who seduces, especially a man who seduces a woman(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "seducer" in a sentence
"So this is how it was done, she reflected, and the word seducer flashed across her mind."
"Cleopatra the witch and seducer is near the foundations of Western literature."
"Johannes the seducer is a reflective aesthete, who gains sensuous delight not so much from the act of seduction but from engineering the possibility of seduction."