Dedicator

·noun One who dedicates; more especially, one who inscribes a book to the favor of a patron, or to one whom he desires to compliment.

dedicator
dēdĭcātor, ōris, m. [dedico], one who dedicates; hence, a founder, author (eccles. Lat.): damnati...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.