Dunny Takes The Fifth The roles which, being neither those of Hero nor Heroine, Confidante nor Villian, but which were none-theless essential to bring about the Recognition or the denoument...Fifth Business, as defined in the book. The book Fifth Business is testimony of events in the life of the main character Dunstable (later renamed Dunstan) Ramsay. Dunstan feels that his whole life has been spent as the "fifth business" in the lives of others. There is a lot of truth and relevence to this. Dunstan was the "fifth business" in the lives Paul and Mary Dempster, and Boy Staunton b