He was ordered by Ubeidullah ibn Ziad to hold Imam Husayn(a) prisoner.

He was ordered by Ubeidullah ibn Ziad to hold Imam Husayn(a) prisoner. On the day of Ashura, however, the pricks of conscience made him turn away from Yazid and repent. He joined Imam Husayn(a) in the battle and was martyred. Husayn ibn-Ali Baghdadi: A historian in the tenth century A. H. , the author of Jawharah alThamin. Ibn Bashir Hadrami: A prominent figure among the companions of Imam Husayn(a). On the night of Ashura he got the sad news that his son was taken prisoner.

Although the Imam(a) permitted him to leave the camp to free his son, he insisted on staying with the Imam(a) and was martyred. Luqman: A sage free of temporal attachments, pure in soul and inspired with divine wisdom. A Surah of the Qur'an is named after him in which reference is made to some of his wise sayings. Mariqin: Those who revolted against Hadrat Ali(a) and fought him in Nahrawan, a town near Baghdad.

Miqdad ibn-Aswad, Abudhar Ghaffari and Salman Farsi: Three distinguished of the Prophet(s) and were recognised by God and His Messenger(s) for their devotion, righteous deeds and morality. Muawiyah ibn-Wahab: A companion Of Imam Sadiq(a) and a reliable and learned narrator. Muslim ibn-Aqil: Imam Husayn's(a) cousin and emissary to Kufa. The Kufans betrayed him and he was taken prisoner and killed by the order of Ubeidullah Ziad.

Nakithin: Those who broke their pledge of allegiance to Hadrat Ali(a) and brought about the battle of Jamal. Qasitin: Those who pledged allegiance to Muawiyah and fought Imam Husayn(a). Saravi-Muhammad ibn-Ali ibn Shahr Ashub: From Sari, Tabaristan (Mazandaran). He was an outstanding Shi'ite traditionalist and biogragher.

The author of some very important books including "Manaqib Ali bin Abi Talib (The Virtues of the Family of Abi Talib)." Sayyid ibn Tawus: A great Shi'ite scholar from Hellah in Iraq. He was exemplary in virtue and religious devotion. He wrote the book "Lahuf' on the history ofKarbala and the tragic martyrdom of Imam Husayn(a) and his companions. Shimr ibn-Dhul Jowshan: Ofthe Arab tribe of the Bani Kilab. He was once a companion of Amir al-Mu'minin(a).

At the time of the Arbitration, a group ofpeople inNahrawan had revolted against Hadrat `Ali(a) during his caliphate. Shimr was a member of that group and then later he joined the Umayyad party. Years later he went to Karbala as ordered by Ubeidullah ibn Ziad and fought in the battle. He volunteered to kill Imam Husayn(a) and subsequently beheaded the Imam(a).