I could not find the excerpt that is missing in your question and I could not find the answer too but I will tell you something that could help you with your question.
In literature work, a narrator is a person that narrates the story and his mood is one of the most important things in the work. It is often a character that is describing an event that is found in a novel or poem. The narrator is giving the poem or novel a mood by which we can see his point of view and his perspective.
