Bible-basher 
(also Bible-thumper)
noun informal
A person who expounds or follows the teachings of the Bible in an aggressively evangelical way.Fortunately progressive and civil liberties groups exist to defend our rights to cut and be cut from these bigoted Bible-bashers....
- And finally there's Natasha, a Bible-basher with a difference.
- They'll claim it's stereotyping but while I haven't come across priests like that I've met some nuns, real Bible-thumpers, who laid the whole guilt thing on me and warned me that I was heading straight to hell.
Derivatives
Bible-bashing
- There is, one suspects, a mass of insecurity hidden behind the self-confident, extrovert, Bible-thumping exterior.
- She is a sneering teenager, dealing with a haunted bedroom, the cute boy next door, Bible-thumping neighbours and barnyard animals.
- A few even argue that it's personally insulting, since it unfairly portrays him as a Bible-thumping homophobe.