Bassirou Diomaye Faye, who turned 44 on Monday, was little known until he received the backing of Ousmane Sonko, Senegalâs most formidable opposition politician. Both men were released from jail only 10 days ago.Bassirou Diomaye Faye, who turned 44 on Monday, was little known until he received the backing of Ousmane Sonko, Senegalâs most formidable opposition politician. Both men were released from jail only 10 days ago.