1) Alluring one 2) Bad person 3) Don juan 4) Femme fatale 5) Femme fatale, often 6) Lothario 7) Philanderer 8) Siren or rake 9) Tempting type 1) Libertine 2) Lothario 3) Undoer 4) Vamp 
• (n.) One who, or that which, seduces; specifically, one who prevails over the chastity of a woman by enticements and persuasions.
Se·du'cer noun One who, or that which, seduces; specifically, one who prevails over the chastity of a woman by enticements and persuasions. « He whose firm faith no reason could remove, Will melt before that soft seducer , love.» Dryden. 
[n] - a bad person who entices others into error or wrong-doing 2. [n] - a man who takes advantage of women
ladies` man noun a man who takes advantage of women