 In Medina, he met a Hanbali theologian from Najd named ʿAbd Allāh b. Ibrāhīm al-Najdī, who had been a supporter of the neo-Hanbali works of Ibn Taymiyyah (d. 1328), the controversial medieval scholar whose teachings had been considered heterodox and misguided on several important points by the vast majority of Sunni Muslim scholars up to that point in history.Ibn 'Abd al-Wahhab's teacher Abdallah ibn Ibrahim ibn Sayf introduced the relatively young man to Mohammad Hayya Al-Sindhi in Medina who belonged to the Naqshbandi order (tariqa) of Sufism and recommended him as a student.Mohammad Ibn Abd-al-Wahhab and al-Sindhi became very close and Mohammad Ibn Abd-al-Wahhab stayed with him for some time.