narrator
narrator (narrador)
the voice that tells a story, either a character in it who says I or an outside voice that says he or she.
Example
I never told my mother about the letter. (The narrator is a character who says I.)
In Spanish
narrator (narrador) — la voz que cuenta un cuento: un personaje de la historia que dice I o una voz de afuera que dice he o she.
I never told my mother about the letter. (El narrador es un personaje que dice I.)