What does the Israeli mosque «Argun al-Kamili» have to do with the Argyn tribe?

«Trails of Nomads» scientific expedition team continues its work in Israel. Sign of Sultan Beibarys - an image of a lion is depicted on the ancient gate of Jerusalem. What does it mean – a symbol of a person who constructed it or are there other versions? Mamluks accelerated the development of the postal service. What is the feature of the system? Members of the expedition found the madrasah of Arghun al-Kamil in the mysterious streets of Al-Quds. What is the connection with the tribe Argyn?