First of all the article never claims a connection to Aramaic Hebrew and Aramaic are about as different as English and Dutch They re related but not the same language Second the idea that Gullah is a Hebrew creole is nonsense Gullah contains words and grammatical features from several West African languages but NOT Hebrew That said it is possible that the ya in Kumbaya is meant as a proper name for God Marcus Garvey and others were trying to establish some sort of Black nationalist notion that African peoples are the modern Israelites around the time that Kumbaya was written On the other hand this movement ignored the fact that for centuries Jews have had a prohibition on pronouncing YHWH and are no longer even sure how it would be said Furthermore from what I know of Gullah kum ba ya would in fact be how one says come here