Why does Mina decide to move closer to Moria in the novel, The Wrong End of the Telescope?

Moria is a camp in Lesbos where refugees are taken to be processed and given shelter. Mina goes to the camp with Emma, as well as Sumaiya and her family, who are staying in the barracks there. Shortly after arriving at Moria, Mina decides to change hotels in order to be closer, so that she can better continue her volunteer work there with Sumaiya’s family and others.