The act of setting free from the power of another, as from slavery, subjection, dependence, or controlling influence.
The state of being thus set free; liberation (used, for example, of slaves from bondage, of a person from prejudices, of the mind from superstition, of a nation from tyranny or subjugation).
A form of mutualism in which one species is forced to perform tasks for another, for their mutual benefit
The permanent oppression of a nominally free group of people