The Question and Answer section for Frankenstein is a great resource to ask questions, find answers, and discuss the novel.
After his creation comes to life, Victor refuses to accept his obligation as the creator to his creation. He does not care for it, shelter it, provide it with food or love, nor teaches the creation. Eventually all the monster wants from the doctor...
Victor Frankenstein shares his story, rather than telling it himself. Through Walton's letter we meet the narrator, and come to understand the circumstances under which the two meet.
Walton is the narrator of the story. Shelley begins with Walton to introduce the narrator, and also to explain how the narrator met Frankenstein, after which, Victor tells his story.