Antonyms for non-believer

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR NON-BELIEVER

He is a non-believer for a multitude of reasons; but they are untrue reasons.

Courtenay was evidently a non-believer, and the two men often differed on religious matters.