Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕmūnĕrātor, ōris, m. [remuneror], one that repays or recompenses, a rewarder, recompenser (post-class.): Deus, Tert. Apol. 36; Aug. Civ. Dei, 14, 26; Vulg. Heb. 11, 6: VIRTVTVM, Inscr. Orell. 1140.