I gave up trying to keep them contented
General
9 command
9 piety
9 Chivalry
9 Loyalty
Completely stuffed with troops.
2 Spies
Converted 55% but couldn't get it higher because of the 10 Piety Imams the Egyptians send.
Low taxes

So I let them revolt and just Exterminated the populaion 2 turns later. That'll teach them.