Who is the finches neighbor?

The Finch family's neighbor in Harper Lee's novel "To Kill a Mockingbird" is Boo Radley. He is a reclusive figure who becomes a subject of fascination and mystery for the Finch children, Scout and Jem. Initially perceived as a frightening character, Boo ultimately reveals his true nature as a kind and protective presence in their lives. His relationship with the Finch family highlights themes of empathy and understanding.