Louverture secured himself governor for life under the new constitution

Evidence

This state was literally embodied in one person, Toussaint Louverture, who was declared governor of Saint-Domingue for “the rest of his glorious life.” Louverture was even given the right to choose his successor, but the latter’s term of office was limited to five years. — Dubois, Laurent, Avengers of the New World_ The Story of…, 870