slut trainer

Usually a male but occasionally a female that derives sexual pleasure from encouraging an otherwise proper woman (often married) to act in an overtly sexual manner. This often begins with simple changes in her dress and proceeds over time to providing her with outlets for indiscriminate sex.

The slut trainer provides her with encouragement, opportunities, and materials. The preferred raw material is either a virgin or a previously faithful married woman (who becomes a slut-wife. He often becomes quite possessive of "his slut".