His brother gave him the nickname!
Answer:
I earn a laborers wage, and I do not profit from goods I produce
B. First person matches that description.
"I have a dream that one day even the state of Mississippi, a state sweltering with the heat of injustice, sweltering with the heat of oppression, will be transformed into an oasis of freedom and justice."
Metaphor: King compares injustice and oppression to sweltering heat and freedom and justice to an oasis.