Nationalist thinker, article writer, and politician who led the nationalist motion of Guinea-Bissau. He analyzed in the Instituto First-class de Agronomia in Lisbon. He was a separate supporter from the battle for self-reliance against the Portuguese program, which resulted in his January 20, 1973, assassination. He was created to Juvenal Lopes da Costa Cabral and Iva Pinhel Evora. His nom de guerre was Abel Djassi. He was affected by Karl Marx, although he didn’t claim to be always a Marxist.