Enlightener
Pronunciation : En*light"en*er
Part of Speech : n.
Definition : Defn: One who enlightens or illuminates; one who, or that which, communicates light to the eye, or clear views to the mind.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder