[Greek PrIme minister Alexis Tsipras, left, and Greek Defense Minister and party leader of the Independent Greeks Panos Kamenos chat during a cabinet meeting on Thursday, June 2, 2016. Parliament approved a final round of austerity measures Thursday demanded by lenders for the release of further bailout loan installments. (AP Photo/Petros Giannakouris)]BRUSSELS (AP) — The U.N.'s expert on debt and human rights says economic austerity policies are hitting poor people hard in Greece and Spain and undermining social rights in the European Union.