Fornicator
From BiblePortal Wikipedia
King James Dictionary [1]
Forn'Icator, n.
1. An unmarried person, male or female, who has criminal conversation with the other sex also, a married man who has sexual commerce with an unmarried woman. See Adultery. 2. A lewd person. 3. An idolater.
Webster's Dictionary [2]
(n.) An unmarried person, male or female, who has criminal intercourse with the other sex; one guilty of fornication.