KJV-onlyer

noun1

1. •
   (informal) Someone who asserts that the King James Version of the Bible is superior to all other English translations.

   • […] [As a side note, at least the first two in your list have people whose full-time job it is to hate them. I can't recall too many slams against the NASB, but I imagine that KJV-onlyers hate it.] — 2004