1) Adulteress 2) Fornicator 3) Fornicatress 4) Hussy 5) Libertine 6) Strumpet 7) Wencher 1) Certain commandment breaker 2) Commandment breaker 3) Debauchee 4) Fornicator 5) Libertine 6) Rounder 7) Seventh commandment flouter 8) Someone who commits adultery 
• (n.) A man who commits adultery; a married man who has sexual intercourse with a woman not his wife. • (n.) A man who violates his religious covenant.
A·dul'ter·er noun [ Formed from the verb adulter , with the E. ending -er . See Advoutrer .] 1. A man who commits adultery; a married man who has sexual intercourse with a woman not his wife. 2. (Script.) A man who violates his religious covenant. Jer....
[n] - someone who commits adultery
adulterer Someone who commits adultery or fornication (sexual intercourse between partners who are not married to each other). The word fornication had a less than socially respectable beginning suitable to what has long been the low moral status of the act to which it refers. From Old French fornication, from Late Latin fornicationem (fornicatio)...
fornicator noun someone who commits adultery or fornication
a person who commits adultery.