Who is C.J. Marcum from Storming Heaven: A Novel and what is their importance?

C.J. is the first narrator the reader encounters in the novel. His full name is Cincinnatus Jefferson Marcum, and his grandfather tells him that he is named after the two greatest men who ever lived. They are Lucius Quinctius Cincinnatus and Thomas Jefferson. C.J.'s family has owned land and farmed the area for generations, and C.J.'s grandfather, or "papaw" refuses to sign over the rights of the land to the railroad companies. When intimidation tactics fail, the railroad company has C.J.'s grandfather murdered.