“Christians in Muslims lands were allowed to practice their faith and govern themsleves. Still they had a special tax and faced other restrictions.  p462  My World History (Early Ages)

Despicable: Christians had to pay 50% of their income and were humiliated at the time of payment. Their beard was pulled while kneeling before the collector and given a strike on the face. Christians could not build new churches or rebuild them without permission. Christians were not permitted to: carry a weapon, dress like Muslims, ring church bells, sing hymns and pray in a way that they are heard by Muslims, reproduce Christian religious materials, ride a horse.