As the lyric voice dreams and hopes all through the poem it means this subject is fantasizing of a different world, so it is implied that the speaker <u>lives in a time and place where equality does not exist.</u> This is a common theme on Langston Hughes' poems, the need for equality for a better world. As it was written before the 1964 Civil Rights Act, there were a lot of segregation over the United States, and many black people were harmed and had struggles because of the racial issue.
It suggests, with vivid language, her sense of being seen as a dangerous revolutionary by the authorities in South Africa.
Thanks for the answer ;D