Someone who writes praising and flattering things about a person (as if that person were a saint)(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "hagiographer" in a sentence
"Not sure if this is the work of some Jackson family-hired spin-doctor cum hagiographer, but here from Carolyn Kellog in the L.A. Times:"
"How appropriate of Dan Lyons, the experienced hagiographer of SCO."
"After his long stretch as an untouchable hero and saint (courtesy of hagiographer R Bolt) it was about time that creep More was taken off his pedestal."