Darokin has no slaves, but rather indentured servants. All slaves imported to Darokin are given a contract of a certain amount of years that they have to work before gaining their freedom. Slavery is legal, but extremely rare. Several Principalities allow slavery. Elves do not understand the concept.
Freedom is taken for granted.
Humans are often used as slaves as are any other creature. Dwarves from upon slavery. Criminals are forced into farming. Slavery is rare, but does occur. Heldann Farmers are serfs.