believer

plural believers

1. A person who believes; especially regarding religion.

   She's a believer in life after death.

   2 more examples

   But the other two were, comparatively speaking, clean shaved, which of course gave the enemy a larger extent of open country to operate on, though in Mahomed's case the mosquitoes, recognising the taste of a true believer, would not touch him at any price.

   1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC

   A long list of thinkers, both believers and nonbelievers, have posited something like an innate religious instinct.

   2009 February 28, Peter Steinfels, “Scandanavian Nonbelievers, Which Is Not to Say Atheists”, in The New York Times, archived from the original on 31 Jan 2022

   Synonyms: devotee, devotionalist, pietist, religioner, religionist, religitard, solifidian