International audienceThis article follows the trajectory of Djiguiba Camara, a colonial intermediary from Upper Guinea and author of a 110-page tapuscript entitled “Histoire locale” about the history of his home village Damaro and Samori Touré. Fata Kéoulé Camara, his father, was one of Samori Touré’s close advisers. Trained at the École des fils de chefs of Kayes, Djiguiba Camara was a colonial interpreter and then became district commissioner in 1928. He had his text typewritten in 1955 and gave a copy to Yves Person, a French historian. This text would become one of the main African sources for Person’s doctoral thesis. This article aims at analyzing the uses of local and family knowledge in the trajectory of Djiguiba Camara and his fam...