Doaker is a character from August Wilson's play, "The Piano Lesson." He is the uncle of the main characters, Boy Willie and Berniece, and serves as a voice of reason in the family. Doaker works as a railroad porter and often reflects on the family's history and the significance of their ancestral piano. In the play, Doaker emphasizes the importance of heritage and the struggles faced by African Americans. He provides insight into the family's past and the emotional weight of the piano, which symbolizes their legacy. His character helps to bridge the gap between the younger and older generations.