Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕnuntĭātor (rĕnunc-), ōris, m. [renuntio], a reporter, relater, proclaimer (late Lat.): consiliorum nostrorum renuntiatores, Dig. 48, 19, 38: dispositionis infernae, Tert. Anim. 57 fin.: erroris tui, id. Pall. 4, fin.