An outsider is someone who doesn't quite fit in with everyone else and a displaced person is someone who doesn't belong in a certain category. A person can become either of these things by being different from others in some way.
Answer:
Im not sure which lines you are referring to but these lines make it gloomy:
"Once upon a midnight dreary"
"Thrilled me—filled me with fantastic terrors never felt before;"
"Deep into that darkness peering, long I stood there wondering, fearing,"
The answer is 40%<span> alcohol by volume = 80% proof</span>