Except it was mostly Somalis who lived in the Barbaria region aka SomaliaThere is no mention of Somali in that source. Barbar is used to describe a geographical region. It's not specific to Somalis. The person you are referring to reached a premature conclusion without any concrete evidence to support his claim. His preconceived assumption led him to formulate a false assertion. No credible academic source mentions Somalis residing in Egypt during the early Islamic period
Barbar/Berber was used to describe the inhabitants of Barbaria (Ancient Somalia) since the time Punt was trading with Ancient Egypt. Is it somehow surpising that Somalis have a trading market in Egypt?There is no mention of Somali in that source. Barbar is used to describe a geographical region. It's not specific to Somalis. The person you are referring to reached a premature conclusion without any concrete evidence to support his claim. His preconceived assumption led him to formulate a false assertion. No credible academic source mentions Somalis residing in Egypt during the early Islamic period