The Question and Answer section for Native Son is a great resource to ask questions, find answers, and discuss the novel.
The author uses third person omniscient narrative which gives the reader access to all the characters and their motivations. The narrative voice can shift depending on which character we are involved with.
What chapter are you referring to?
Bigger's relationship with the rat is really a metaphor for race relations. The novel opens with Bigger killing a fat black rat that has invaded their decrepit one-room apartment. Even as the rat is considered as an "invasion" to be killed, it is...