The asset is locked forever; only what it produces is given away. Waqf turns ownership into permanent, self-sustaining service.
Waqf names the Islamic institution of the endowment: a founder (the waqif) permanently dedicates an asset (land, a building, cash, or other property) to a charitable, religious, or public-benefit purpose. Once made, the endowment is irrevocable and perpetual: the corpus itself can never be sold, inherited, or redirected, and only its usufruct, the rent, harvest, or income it generates, is distributed according to the founder’s original terms. A manager (the mutawalli) administers the asset and its proceeds, but the founder’s stipulations bind that management indefinitely. For over a thousand years across the Islamic world, this single mechanism funded hospitals, mosques, schools, libraries, water systems, and other public infrastructure without requiring a state treasury or a loan carrying interest: the asset itself did the work, generation after generation.
A distinct variant, waqf ahli (family waqf), directs that income to the founder’s own descendants rather than to the public. It follows the same legal form, an irrevocable, perpetual endowment managed under the founder’s stipulated terms, but the immediate beneficiaries are the waqif’s own family line. Historically this functioned as a wealth-preservation vehicle: because the underlying asset could not be sold, inherited under ordinary succession rules, or seized for debt, a waqf ahli protected a family’s property from fragmentation across generations while still providing income to its members. Provision is typically made for the endowment to revert to general charitable purposes (waqf khayri) once the family line ends, so a structure built for private benefit still resolves into public benefit over the long run.
Source: Çizakça, Murat, “Awqaf in History and Its Implications for Modern Islamic Economies,” Islamic Economic Studies, Vol. 6, No. 1 (1998), pp. 43-70. Mohamad, Nor Asiah, “A Study on the Socio-Economic Roles of Waqf Ahli (Family Waqf) in Promoting Family Security and a Sustainable Family Economy,” IIUM Law Journal, Vol. 26, No. 1 (2018), p. 141.