Person
Abd Allah ibn al-Zubayr
عبد الله بن الزبير
Abu Bakr
624 CE – 692 CE(aged ~68) Quraysh
Abd Allah ibn al-Zubayr was a leading opponent of Mu'awiya's dynastic succession and a rival claimant during the Second Fitna.
Significance
Prominent opponent of Mu'awiya's succession
Reputation in tradition
opponent of Umayyads
Stated motivation
Opposition to Umayyad rule and claim to caliphate
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.