 Various institutions were set up under his leadership, including a School of Industry for training Jewish believers in basic trades, an Enquirers House, a Hebrew College, and the first hospital in Palestine.His presence greatly antagonised the Jewish leadership, who considered him an apostate, as well as provoking the other major churches to consolidate their presence in Jerusalem.The Roman Catholic church subsequently sent a Patriarch to (or re-established the medieval Latin Patriarchate in) Jerusalem to counteract Alexander's influence.