Non-citizens include asylum seekers, rejected asylum seekers, immigrants, non-immigrants, migrant workers, refugees, stateless persons, and trafficked persons. This book argues that regardless of their citizenship status, non-citizens should, by virtue of their essential humanity, enjoy all human rights unless exceptional distinctions serve a legitimate State objective and are proportional to the achievement of that objective. Non-citizens should have freedom from arbitrary arrest, arbitrary killing, child labor, forced labor, inhuman treatment, invasions of privacy, refoulement,...