a person who believes that God has revealed certain truths to humankind
revelationist in American English
(ˌrevəˈleiʃənɪst)
noun
a person who believes in divine revelation
Word origin
[1650–60; revelation + -ist]This word is first recorded in the period 1650–60. Other words that entered Englishat around the same time include: backhand, cardholder, gas, profile, triplet-ist is a suffix of nouns, often corresponding to verbs ending in -ize or nouns ending in -ism, that denote a person who practices or is concerned with something, or holds certainprinciples, doctrines, etc. Other words that use the affix -ist include: apologist, dramatist, machinist, realist, socialist