Abd Allah ibn Saba'
Founder of Saba’īyyah
ʿAbd Allāh ibn Sabāʾ al-Ḥimyarī, sometimes also called Ibn Sabāʾ, Ibn al-Sawdāʾ, or Ibn Wahb, was a 7th-century figure in Islamic history associated with a group of followers called the Sabaʾiyya. Wikipedia