What do you call a woman who sleeps with a married man?
mistressIn modern times the word "mistress" is used primarily to refer to the female lover of a man who is married to another woman; in the case of an unmarried man, it is usual to speak of a "girlfriend" or "partner". The term "mistress" was originally used as a neutral feminine counterpart to "mister" or "master".
Can a married man stay in live in relationship?
However, as per Section- 2 (f), it not only applies to a married couple, but also to a 'relationship in nature of marriage'. Therefore, considering all this even the Supreme Court in a couple of cases has allowed live-in relationships to be covered within the ambit of the law specified.