Non-Arab nations are often linguistically and to varying degrees culturally distinct. These include the Beja (over 2 million), Fur (over 1 million), Nuba (approx. 1 million), Masalit, Bornu, Tama, Fulani, Hausa, Nubians, Berta, Zaghawa, Nyimang, Ingessana, Daju, Koalib, Gumuz, Midob and Tagale. Hausa is used as a trade language. There is also a small but prominent Greek community.