Who is the protagonist of the novel charles johnson is writing?

A bodyguard in Chicago.

Explanation:

In the novel "Dreamer" by Charles Johnson, the protagonist of the novel is not Martin Luther King, even though the story is about him. Rather, the story's main protagonist is a bodyguard from Chicago named Chyam Smith. He is the doppelganger or body double of King, who got shot in place of King. Through his various appearances as "King", he began to understand the ideals and teachings of King and later began to understand the importance of the civil movement and the resistance against the racist discrimination.