It isn't based on any actual people, though of course the society and conditions depicted in the film are based on fact. There certainly were real life cases of freed slaves who afterwards.
Is Django Unchained Based On A True Story
Contrary to popular belief, Django Unchained is not a true story. Quentin Tarantino, known for his unique storytelling style, crafted this film as a homage to the spaghetti western genre, blending.