You have to read about mameluks (the litterature is quite complete, and as some of them could write, you can have the slave point of view on slavery). That will

You have to read about mameluks (the litterature is quite complete, and as some of them could write, you can have the slave point of view on slavery). That will answer most of your questions, and you won't have to trust a random commentator like me (i only know of the end of the mameluk Bajri and the impact it had on west European powers)