Complex sentence: Known informally as "Moriso", he was a father of the Creole Renaissance, a broad movement to stimulate the legitimacy and use of Haitian Créole (or Kreyol) language in literature and culture.
Split into simpler sentences: Known informally as "Moriso", he was a father of the Creole Renaissance. He promoted the movement to stimulate use of Haitian Créole (or Kreyol) language and establish its legitimacy for creative use in literature and culture.