Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
vĭtĭātor, ōris, m. [vitio], an injurer, violator, corrupter (post-Aug. and very rare): feminae, Sen. Contr. 2, 11, 1; 3, 23, 1; 3, 23, 4: pupillae, Quint. Decl. 284; 309.