What is the exposition in the novel, When We Were Birds?

The exposition of the novel is given in the first two parts of the novel. The section “Oathbreaker” describes how Darwin has to break the oaths he made as a Rasta to work in a cemetery to support himself and his mother. The prelude “Corbeau” and the section “The Right and Proper Way to Die” gives exposition about Yejide and her family’s strange abilities.