The two rivers are on the bottom and on top of the flag, as you can see in the picture. Clearly, the Israeli flag. That's the sign of the hex (hexagram - 6-pointed star), the sign of the curse.
Now, I am totally sure in your post and your picture to support it. It looked initially like a masonic square and compass symbol, but I am not 100% sure it is the Israeli flag that he wears as a sign to those that support him.
https://paste.pics/35f3b08e5ccd4de829d3d0a9fa7eb6f7 - 100% the Israeli flag is on his cap.
The two rivers are on the bottom and on top of the flag, as you can see in the picture. Clearly, the Israeli flag. That's the sign of the hex (hexagram - 6-pointed star), the sign of the curse.
No real Christian would wear that on their head and say nothing about it, as he does. (I took the picture from this clip - https://www.youtube.com/watch?v=d3INvNuCHKI)
Now, I am totally sure in your post and your picture to support it. It looked initially like a masonic square and compass symbol, but I am not 100% sure it is the Israeli flag that he wears as a sign to those that support him.
https://np.reddit.com/r/BadHasbara/comments/1bjoze9/michael_rapaportthe_definition_of_a_hasbara/