エリトリア解放戦線
Osman dedicated his life to the struggle of Eritrean independence and became the backbone of Eritrean revolution during the dark and desperate years. After exile, Osman focused his activity in bringing follow Eritreans in exile into strengthening the fight for independence agenda. During this time Osman had participated in the Eritrean Liberation Front (ELF) leadership and was appointed as head of foreign affair. He succeeded in raising awareness of the Eritrean struggle for independence across the Middleastern and African countries such as Yemen, Somalia, Saudi Arabia, Egypt, and Syria.