noun
fornicator
FOR-nih-kay-ter/ˈfɔːrnɪkeɪtər/
A person who has sex outside marriage.
The fornicator shares a kiss with his partner on the bed.

Etymology
Fornicari came from a word for a brothel that originally meant an arch or vaulted chamber, perhaps because prostitutes solicited under arches. The agent ending identifies a person engaging in the sexual activity.
In context
he goes on to say you know a fornicator unclean person covetous man has no inheritance in the kingdom of god
More examples
- The old sermon warns fornicators to repent.
- She resents being called a fornicator for having sex with her boyfriend.
- The word "fornicator" sounds harsh in everyday conversation.
Forms
fornicator · fornicators
fornicate verb — To have sex outside marriage.
fornication noun — Sexual intercourse outside marriage.
Similar words
- adulterer
- Specifically a married person who has sex outside that marriage.