Which of the following rights is NON-DEROGABLE under international human rights law, meaning it cannot be suspended even during a state of emergency?

The right to freedom from torture and cruel, inhuman, or degrading treatment is an absolute, non-derogable right under international law, including the ICCPR and the UN Convention Against Torture. Rights such as freedom of movement, assembly, and even some aspects of fair trial can be limited during a declared state of emergency under strictly defined conditions.