The same settlers that state they are fascist, and that they need to kill Palestinians or be killed? Yeah, they can hang like slave owners, Nazis, and other monsters that are a danger to humanity.
If someone intentionally goes to be a human shield for an invading military, they are an enemy combatant by definition.
If Russia built apartment buildings in territory that they occupied in Ukraine and then moved in volunteer civilians from Russia, no one would question what those people are.