Original sentence: Berbers are predominantly muslim.Most Berbers make their first contact with Arabic when they start school.The Berbers (also called Imazighen, "free men", singular Amazigh) are an ethnic group indigenous to Northwest Africa, speaking the Berber languages of the Afroasiatic family.Their languages, the Berber languages, form a branch of the Afroasiatic linguistic family comprising many closely related varieties, including Kabyle, ,Tachelhit and Central Atlas Tamazight, with a total of roughly 14-25 million speakers
Edited sentence: Many Berbers are bilingual in Arabic.The Berbers (also called Imazighen, "free men", singular Amazigh) are a predominantly Muslim ethnic group indigenous to the Maghreb, speaking the Berber languages of the Afroasiatic family.Their languages, the Berber languages, form a branch of the Afroasiatic linguistic family comprising many closely related varieties, including Tachelhit, Central Atlas Tamazight, and Kabyle, with a total of roughly 14-25 million speakers