sex slave; sexual slavery
Refers to a person forced into sexual servitude, or the practice itself. Often used in discussions of human trafficking, war crimes, or historical atrocities.
She was sold as a sex slave.
The organization was involved in the trafficking of sex slaves.
人身売買 means 'human trafficking' broadly; 性奴隷 is a specific outcome or role within that context.
Compound of 性 (sei, 'sex') and 奴隷 (dorei, 'slave'). A straightforward modern term.