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The rise of Islamic extremism is putting increasing pressure on Christians in Muslim countries, who are the victims of murder, violence and discrimination. Christians are now considered the most persecuted religious group around the world. Paradoxically, their greatest hope could come from moderate political Islam. By SPIEGEL staff.

Kevin Ang is cautious these days. He glances around, taking a look to the left down the long row of stores, then to the right toward the square, to check that no one is nearby. Only then does the church caretaker dig out his key, unlock the gate, and enter the Metro Tabernacle Church in a suburb of Kuala Lumpur.

The draft of air stirs charred Bible pages. The walls are sooty and the building smells of scorched plastic. Metro...