postulator

nouns

(Roman Catholic Church) someone who proposes or pleads for a candidate for beatification or canonization
postulator
domain category
the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
Church of Rome, Roman Catholic, Roman Catholic Church, Roman Church, Western Church
is a type of (narrower)
a member of the clergy and a spiritual leader of the Christian Church
clergyman, man of the cloth, reverend
someone who assumes or takes something for granted as the basis of an argument
postulator
is derived from
postulate
is a type of (narrower)
someone who claims to speak the truth
"a bold asserter"; "a declarer of his intentions"; "affirmers of traditional doctrine"; "an asseverator of strong convictions"; "an avower of his own great intelligence"
affirmer, asserter, asseverator, avower, declarer