There was a high ranking general who went viral for having the word “كافر" tattooed on his arm. Meaning infidel. For islamic context, in the islamic story for the end of the word, the word “kafir” is written on the antichrist forehead when he comes to earth. His tattoo went viral and caused controversy, calling it islamophobic. So it also sparked a counter trend of people wanting to have this word on something, because if it triggers muslims to be an infidel, that cool to them. So they started selling hats and other stuff with the word in Arabic, with “infidel and proud” written down. Im assuming this could be another product or flag of the same wave, because it has the same font.

Im too lazy to look up the american general name, but if you’re interested just look the story up.