Noun
A strict follower of a doctrine.
One who believes dogmatically in something regardless of evidence or even conclusive proof that the thing is false or was staged; one who has true-believer syndrome.
Used other than figuratively or idiomatically: see true, believer.
Source: en.wiktionary.orgSoul-winning is the chief business of the Christian minister; it should be the main pursuit of every true believer. Charles Spurgeon
The true believer is in a high degree protected against the danger of certain neurotic afflictions, by accepting the universal neurosis he is spared the task of forming a personal neurosis. Sigmund Freud
In this life struggle, here I am among you fully cognizant that a true believer has no fear of what God has ordained for him. Those who are visited by fear live only for their present, under the illusion that the world began with them and will end with their departure. King Hussein
The true believer is rewarded in every thing, even in affliction. Abu Bakr
As a composer and as a musician I'm a true believer - and this is not to be overly diplomatic - I'm a believer that there's artistry in everything from a lawn gnome to a desk chair to a symphony to an Andy Warhol painting. There's art in absolutely everything. Darren Criss
I'm a true believer that if someone bothers you, you care. Elisabeth Hasselbeck