The traditions of the Prophet Muhammed (PBUH) is full of warning and re-warning against any abuse of non-Muslims in an Islamic society, the Prophet stated:

“Beware!  Whoever is cruel and hard on a non-Muslim minority, curtails their rights, burdens them with more than they can bear, or takes anything from them against their free will; I (Prophet Muhammad) will complain against the person on the Day of Judgment.” (Abu Dawud)