[quote=@Pepperm1nts]
Aaron isn't in control of all the Arabs, by the way. You can sign up as a clan/tribe and do your own thing. Support Aaron or go your own way.
[/quote]

Yup, just reading up on the other tribes. The Banu Hanifa were banned from contributing to the expansion (due to their role in the Ridda Wars) until the second Caliph's rule xD I guess they're a no-go for a warmonger like me >.>