It means to get rid of or do away with.
Some synonyms for abolish are cancel, void, destroy, erase, remove, omit, or discontinue.
There is no one word, the term ususally used is "abolition of slavery", however on an individual basis the freeing of a slave by a master is called "Manumission".
abolish means to get rid of or to do away with
to get rid of or start over
1.not nice 2.rude and disrespectful to other people 3.opposite of nice 4.cruel 5.harsh through words or actions