As fully defined in chapter 2, narrator can be simply understood as a person responsible for telling the story and reliable narrator is indicated to share the implied author’s norms. Meanwhile, implied author is a (un)identified person who provides the readers with a deeper insight of the text. Two implied authors are never similar, for example, implied Fitzgerald in “The Great Gatsby” is completely different from implied Fitzgerald in “This Side of Paradise”.
It is easy to indicate that Nick Carraway, the teller of this story is a first- person, overt and homodiegetic narrator. Nick was first delineated as a