Some missionaries attempt to develop a rapport with their subject without divulging their own religious affiliation or intention. As an example to make making them seem less "Christian" missionaries are coached by their superiors to avoid using words such as "Christ" or "savior" or "baptize".
If you are not sure about the religious identity of the stranger who begins talking to you about religion, ask him directly about his beliefs and agenda. Be suspicious of an indirect answer. Remember these people aren't interested in dialogue or trying to improve Anglo-Muslim links but are often in SECURE PAID EMPLOYMENT to Sell Christianity.
When talking to a Muslim about religion, a missionary may attempt to elicit as many "I don't know" responses as possible, in order to establish his superiority in matters of religion. Don't allow yourself to be intimidated!
Remember, the missionary has studied Islamic beliefs for the sole purpose to sell Christianity to Muslims. There heart are sealed and they are no longer interested in truth. Keep in mind that he is not speaking to you in order to exchange ideas, but rather to create as much doubt in your mind and lead you away from your faith. If you want to learn more about the Quran, do so from someone who doesn't have hidden motives. Therefore, feel free to simply end the conversation and walk away.
Remember that many of these questions and associations they are trying to sell have been debunked many times by more learned Muslims. If they were interested in dialogue the would be speaking to respected elders and community leaders exploring common ground improving understanding and faith in the community, but all one sees are the often the same question again to unsuspecting victims. Ask yourself what do they hope to gain ?
However, some of you may want to listen to their arguments and then learn the Muslim response, in order to be better prepared for future encounters. One must also remember that many missionaries intentionally go into Muslim areas in Britain so they train themselves and create the most seductive "Sales Pitch" they can manage. Once they have finished there training in salesmanship they will target unsuspecting Muslims (the lonely, vulnerable and weak) lacking in knowledge.
The following pointers should give you a basic idea of what to look for.