The first Muslims were the dearest wife Hadhrata Khadijah, his dearest friend Hadhrat Aboo Bakr, the nearest brother in kinship Hadhrat Ah, the most. obedient servant Zaid Bin Harissa (liberated by the Holy Prophet Salallaho Alaihi Wasallam) and the still to be got liberated slave of Aboo Jehl, the most pious Bilaal.