Omo Oodua Question of the Day: Yoruba People

If a group of Yoruba People living in Yorubaland can read and write Yoruba language to a very high degree but can neither read nor write anything in English/French. Can these kinds of People be referred to as illiterates??
#Justasking

+Balogun Adesina
Ọmọ Oódua Ìbéèrè ti ojo oni: Àwọ̀n ọ́mọ́ Yorùbá