Who shelters and watches over Mattie and Basil in the novel, The Women of Brewster Place?

Miss Eva opens her home to Mattie and her infant son, Basil. She shares her wisdom with Mattie, resulting from years of experience with men and children. Miss Eva warns Mattie to be stricter with Basil, believing that he will take advantage of her. She also encourages Mattie to save her money. When Miss Eva dies, her spirit lives on in the house that Mattie is able to buy from Miss Eva's estate.