From what I recall, Monica was as much a predator as he was.
I wouldn't exactly call her a predator (there's no tabloids yacking about her preying on other men), but she was certainly a willing participant. Others were less so (his groping of Kathleen Willy the day her husband committed suicide?)
As time went on, though, she apparently became a bit concerned and saved up some evidence (the stained blue dress).
Monica was a willing participant and is apparently an exhibitionist (eg, her HBO special) despite her whinings about how she wants the media to stop focusing on her.
But what she is or does has nothing to do with Clinton's perjury.