known as Cerno Saadu Dalen, fl. 1272/1855-6.
Regarded as one of the great holymen and writers of 19th-century Futa Jallon, he was an advisor to the almami of Timbo, and played an important role in trying to reconcile the opposing branches of the ruling dynasty of Futa Jallon. For a brief time he was also chief of the village of Dalen. He studied in Dalen with his father and in Boroudji with Karamoko Billo.