religionist
Re*li"gion*ist, n. Defn: One earnestly devoted or attached to a religion; a religious zealot. The chief actors on one side were, and were to be, the Puritan religionists. Palfrey. It might be that an Antinomian, a Quaker, or other heterodoreligionists, was to be scourged out of the town. Hawthorne.