Abd Allah ibn Saba
Heinz Halm records him as a representative of a Ghulat group from the city of Seleucia-Ctesiphon (al-Madā'in) who came to see ‘Alī in Kūfah. When Saba proclaimed divinity, then ‘Alī denied this angrily and exiled him back to Seleucia-Ctesiphon.