奴隸解放

Also known as affranchisement, owner freeing slave

thumb|Letter where one can read that the slave Geraldo will be free with the condition of working for another 6 years (Brazil). Arquivo Público do Estado de São Paulo|Arquivo Público do Estado de São Paulo|APESP Manumission, or enfranchisement, is the act of freeing slaves by their owners. Different approaches to manumission were developed, each specific to the time and place of a particular society. Historian Verene Shepherd states that the most widely used term is gratuitous manumission, "the conferment of freedom on the enslaved by enslavers before the end of the slave system".