Formalist
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) One overattentive to forms, or too much confined to them; esp., one who rests in external religious forms, or observes strictly the outward forms of worship, without possessing the life and spirit of religion.
Charles Buck Theological Dictionary [2]
One who places too much dependence on outward ceremonies of religion, or who is more tenacious of the form of religion than the power of it.
