WHEN a Sudanese couple started a charity to support fellow migrants in Egypt's capital in 2017, the focus was on teaching children and vocational skills for adults. After economic pressures caused by the coronavirus pandemic put many out of work, Maysoun Abdelsalam and her husband Moataz Ibrahim pivoted to serving them food. "We felt we were the support for each other, between us refugees. One person brings rice, one brings pasta," said Abdelsalam. The couple, who were working as a journalist and a lawyer, left Sudan because of political pressures and came to Egypt with their three children in 2017…