Hey there, not to preclude further discussion, but you'll likely find the below discussions of interest:

There is no such thing as 'fair' or 'nice' slavery. Enslaved African Americans were human beings treated, bought and sold as property.

/u/Freedmenspatrol and /u/Sowser have discussed the concept of 'nice' slave-ownership in great detail in their respective pieces:

Whilst slavery was happening in the US, how common was it for families to treat their slaves very well? /u/Freedmenspatrol

Suffering slaves and suffering serfs, whats the diff? - /u/sowser