Do the experiences of Ayuba Suleiman and Olaudah Equiano do more to confirm or to challenge a common emphasis on the victimization of Africans by the trans-Atlantic slave trade?

Do the experiences of Ayuba Suleiman and Olaudah Equiano do more to confirm or to challenge a common emphasis on the victimization of Africans by the trans-Atlantic slave trade? In what ways are they and other Africans in their stories victims, and in what ways do they manage to maintain some control over their situations?