Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
infector, ōris, m. [inficio], a dyer (class.): eum infector moratur, Cic. Fam. 2, 16, 7: lanarum, Plin. 20, 7, 25, § 59.
Adj., dyeing: infector ille sucus, Plin. 11, 3, 2, § 8.