I’m driving so I don’t have the opportunity to look up the nationality of his name. Could someone please do that? Because that is a real doozy.
Arabic for "slave" of "the most generous, bountiful, and esteemed." Kind of, sort of.
Abdulkarim is a masculine name of Arabic origin, meaning “servant of the Most Generous One” or “servant of Allah”.
Etymology: The name is composed of two Arabic elements: ‘Abd (meaning slave, servant, or worshipper) and Al-Karim (meaning the generous, the noble, or the bountiful).
Google search...."Abdulkarim" A traditional Muslim name representing devotion and the virtue of generosity.
According to this jailbird Kimberly Clark wasn't generous enough in their pay.

Chamel Abdulkarim immigrated from Cuba. He is described in multiple news reports as a Cuban national whose immigration status was on hold (or uncertain) at the time of his arrest. facebook.com
This detail comes from coverage of his April 2026 arrest for allegedly starting a massive fire at a Kimberly-Clark warehouse in Ontario, California, where he worked as a 29-year-old resident of Highland, CA. No other foreign country of origin is mentioned in available reports.