Who is Ezra Wilson to the story of underground rail road?

Ezra Wilson is a fictional character in Colson Whitehead's novel "The Underground Railroad." He serves as a representation of the various people who played roles in the lives of runaway slaves during the historical period of the Underground Railroad. Wilson's interactions with the protagonist, Cora, highlight the complexities of trust, assistance, and the challenges faced by those seeking freedom. His character underscores the broader themes of resilience and the moral dilemmas encountered in the fight against slavery.