A Dictionary of Islam / Being a cyclopedia of the doctrines, rites, ceremonies, and customs, together with the technical and theological terms, of the Muhammadan religion.

by Thomas Patrick Hughes

(2) Next of kin or kindred, e.g. [Sūrah viii. 73]: “These shall be next of kin to each other.”

Walī ʿahd, an heir, especially to a sovereignty.

Walī baʿīd, a legal guardian of a more remote degree than father, brother, or uncle.

Walī jabīr, an authoritative guardian recognised by law.

Walī niʿmat, a title of respect for a father, a patron, a benefactor.

Walīyu ʾd-dam, a relative entitled to exact retaliation.

(3) A benefactor or helper, e.g. [Sūrah ii. 114]: “Thou hast no helper but God.”

(4) Al-Walī, “the Helper.” One of the ninety-nine special attributes of God.

WĀLĪ (والى‎), pl. wulāt. A prince or governor. A term used for the ruler of a country. It is assumed by the Ameer of Afghanistan in his treaties.

The title implies one who rules a Muslim country as an Amīr, or in behalf of the K͟halīfah of Islām.