Religionist \Re*li"gion*ist\, n. 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 heterodo? religionists, was to be scourged out of the town. --Hawthorne.

Source: Webster's Revised Unabridged Dictionary (1913)