Person
Ibn Muljam
ابن ملجم
d. 661 CE
Ibn Muljam was a Kharijite who assassinated Ali in 661 CE.
Significance
Assassin of Ali
Reputation in tradition
condemned
Stated motivation
Opposed Ali, assassinated him
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.