Being an atheist in Pakistan can be life-threatening. But behind closed doors, nonbelievers are getting together to support one another.
How do they survive in a nation where blasphemy carries a death sentence?
Omar, named after one of Islam's most revered caliphs, has rejected the faith of his forefathers. He is one of the founding members of an online group — a meeting point for the atheists of Pakistan.
But even there he must stay on guard. Members use fake identities.
"You have to be careful who you are befriending," he says.