Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sospĭtātor, ōris, m. [sospito], a savior, preserver, deliverer, redeemer (post-class.), App. M. 4, p. 185; 9, p. 218; id. Mag. p. 315, 38.
Of Christ: nostri generis, Arn. 2, 96.