Prior to the abolition of slavery in the United States, were there any Black Americans that bought slaves specifically to free them?

by JokingKamil
Broke22

More can always be said, but check this answer from /u/sowser

https://www.reddit.com/r/AskHistorians/comments/47b4ha/ive_heard_people_mention_that_black_people_owned/d0bs2zk/

and this one from /u/freedmenspatrol

https://www.reddit.com/r/AskHistorians/comments/90902h/how_prevalent_were_black_slave_owners_in_america/