Scripturist \Scrip"tur*ist\ (?; 135), n.
One who is strongly attached to, or versed in, the
Scriptures, or who endeavors to regulate his life by them.
[1913 Webster]
The Puritan was a Scripturist, -- a Scripturist with
all his heart, if as yet with imperfect intelligence .
. . he cherished the scheme of looking to the Word of
God as his sole and universal directory. --Palfrey.
[1913 Webster]