Who is Lionel Messi's personal bodyguard Yassine Chueko?

Several videos of Inter Miami forward Lionel Messi's personal bodyguard Yassine Chueko protecting Messi on and off the field have gone viral. Yassine is a former US soldier who has served in Iraq and Afghanistan. Chueko is an MMA fighter and has competed in several fights, including in Thailand. He is also a boxer.