NARRATOR
narrator, storyteller, teller
(noun) someone who tells a story
Source: WordNet® 3.1
Noun
narrator (plural narrators)
One who narrates or tells stories.
(narratology) The person or the "voice" whose viewpoint is used in telling a story.
(film and television) The person providing the voice-over in a documentary.
Synonyms
• storyteller
Source: Wiktionary
Nar*ra"tor, n. Etym: [L.]
Definition: One who narrates; one who relates a series of events or
transactions.
Source: Webster’s Unabridged Dictionary 1913 Edition