. "Sexual slavery is slavery for the purpose of sexual exploitation. Sexual slavery may involve single-owner sexual slavery; ritual slavery, sometimes associated with certain religious practices, such as ritual servitude in Ghana, Togo and Benin; slavery for primarily non-sexual purposes but where non-consensual sexual activity is common; or forced prostitution. Concubines were a traditional form of sexual slavery in many cultures, in which women spent their lives in sexual servitude."@en . . . . .