Do you really think that people, to whom you are an anonymous stranger, and whose motives are unknown to them, will wish to give their names, their countries of origin and a photograph of themselves?
Would you be interested in purchasing a bridge? Maybe you could club together with anyone foolish enough to respond to your requests to come up with the money.
I suggest that you consider radically altering your planned project. If you have an instructur who has told you to do this, he or she is an idiot. Here is a link for religious tolerance-dot-org
. At that site, you can find pretty precise information of the distribution of religious groups around the world.
Are you sure you don't want my credit card numbers, too? Sheesh . . .