Flash forward means that it's a "flashback" but you see the future
Odysseus tells Polyphemus that his name<span> was No Man, or </span>Nobody<span>, to trick the cyclops.
I'd say he did that so the cyclops will not be able to get help from his friends.
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I actually just did this as a project for my English class. Basically, they both create meaning by telling you of the struggles they went through. In "gumption" Oyster and his boy are dealing with racial injustice. In "to build a fire" he is challenged with surviving in the wilderness in the middle of winter. (hope I helped)