Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
affectātor (better adf-), ōris, m. [adfecto], one that strives for something: justi amoris, Eutr. 10, 7.
In a bad sense: nimius risūs, Quint. 6, 3, 3 al.