The prologue to invisible man by Ralph Ellison the author addresses the person of feeling invisible . without giving a name, the narrator introduces himself as a man , not a ghost , describing the nature of him invisibility. People refuse to see thim. He is invisible by virtue of how others react him. They do not accept his reality and thus live as thouh they do not see him. Invisible beats up another man  because of being bumped into . He choose  the life underground , although he call himself as a invisible Person. But he likes to lives on the light because it’s remind him that he is alive . Ultimately the character claims he never really felt alive he become invisible.