The young woman who helps Rill and Fern run away from the Seviers to find their biological parents. Arnelle goes by Arney and dresses like a boy to hide her sex so that it will be socially acceptable for her to help her father and brothers do hard manual labor. However, Arney is abused by her family and Rill easily persuades her to run away with them and find a better life on the Mississippi River with Old Zede. Arney also helps Silas bring Rill and Fern back to their adoptive parents. Rill gives Arney credit for helping her embrace her new identity as May Weathers. Many years later, Rill receives a letter from Arney; she tells Rill that she is happily travelling the world and says that Rill saved her life.