 Zefta was home to the single largest number of properties he endowed, leading Jane Hathaway to describe it as his "pet charity".Among Abbas Agha's endowments in Zefta was a large complex where coffee beans were pounded and roasted, along with an associated coffeehouse.Hathaway hypothesizes that, given its earlier importance as a trade center, 17th-century Zefta remained an important entrepot where boats carrying coffee from Suez to Cairo would stop.