Hyam dangunan yaruka ne da ke da mahimmanci ga harsunan yankin Filato a Najeriya. Hyam na Nok yare ne mai daraja (Blench 2008). Rubuta ilimin zamantakewar al'umma na Hyam, Blench ya kula da Sait, da Dzar a matsayin nau'ikan daban, kuma ya lura cewa ana iya kallon Yat da Ankung a matsayin yarurruka daban daban, duk da haka, Hayab (2016) ya gabatar da ra'ayi mabanbanta yana jayayya cewa Ankung ne, yare ne da ake kira Iduya, Hyam ba zai iya fahimtar hakan ba. A halin da ake ciki, Hyam, wanda mutanen Ham na Najeriya ke amfani da shi, wanda aka fi sani da 'Jaba' a cikin wani binciken kwanan nan da Philip Hayab, dan asalin yankin kuma masanin harshe wanda ya gudanar da bincike mai zurfi a cikin harshen, ya bayyana cewa Jaba yana da asalin asalin Hausa kuma yana da wulakanci kuma ya kamata a jefar dashi (John 2017). Masu magana da Hyam na asali ana samun su galibi a Jaba, Kachia da Kagarko .