Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
admīrātor, ōris, m. [admiror], an admirer: alicujus, Phaedr. 4, 21, 21; Sen. Ep. 94, 70: mundi, id. Cons. ad Helv. 8: antiquitatis nimius admirator, Quint. 2, 5, 21 al.