This is the person who is in charge of the storytelling about a particular event or series of events.
We can see that a narrator can be unreliable if the things he is narrating are not factual and are misleading to the readers.
With this, we can deduce that a narrator is very important in the storytelling process.
Please note that your question is incomplete so I gave you a general overview to help you.
Read more about narrator here:
https://brainly.com/question/905636