This character is considered to be a slut (sexually promiscuous). Slut or slattern is a term applied to an individual who is considered to have loose sexual morals or who is sexually promiscuous. The accepted denotative meaning is a sexually promiscuous woman.
The term is generally pejorative and most often used as an insult, sexual slur or offensive term of disparagement (slut shaming). However, in recent times, there have been attempts to "reclaim" the word, while some individuals embrace the title as a source of pride.