ʿAbd al-Wāḥid b. Zayd al-Baṣrī, with the kunya Abū ʿUbayda, a wāʿiẓ (preacher) and muḥaddith (traditionist), was an ascetically inclined Sufi from Baṣra who lived in the 2nd/8th century. He was one of the most important and distinguished followers of the school of al-Ḥasan al-Baṣrī (d. 110/728), who became famous both as a forerunner of the Sufis and for his sermons. He was known as one of the aʾimmat al-sharʿ (leaders of the Law), akābir al-Ṣūfiyya (great figures of the Sufis) and as one of the bakkāʾūn (weepers). He was also given the noble titles of shaykh al-ʿubbād (leader of the worshi…