Because Bobo is a "white man's nigger":

http://www.urbandictionary.com/tags.php?tag=white+man%27s+nigger

http://www.urbandictionary.com/tags.php?tag=white+man%27s+nigger

http://articles.latimes.com/1989-03-15/news/vw-684_1_west-indies

"The little man sits imperiously behind a desk, his eyes sweeping the ... is that of a white man's nigger, looking down," charged Edward Said, ..."