sentences:  They are the majority language in 20 countries of the Arab world, which has a population of some 325 million people.The BBC reports that some attendees have joined to reconnect with their families' culture and homeland; others, with no Arab or Muslim background, because they believe learning the language will give them a valuable skill.A Brooklyn College professor, Moustafa Bayoumi, says that "It's not uncommon for Arab students to feel isolated — I think [the school is] seen as a foothold" and that he believes that the school is making them feel more at home in the city.