There are a lot of call girls in Karachi. They work for men. You can find them in newspapers, on the Internet, and even on the streets. But you should know that not all of these women are Muslims.
In fact, many of them are not Muslim foreigners who have come to Pakistan to work as prostitutes. There are some women in Karachi who work as prostitutes, but they are only a small part of the call...
English 
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek