Add this to GuardsListener.java

	@EventHandler(priority = EventPriority.HIGHEST)
	public void onDamage2(EntityDamageByEntityEvent event)
	{
		if (event.getDamager().getType() == EntityType.PLAYER)
		{
			Player player = (Player) event.getDamager();
			if (plugin.getGuards().isOnDuty(player.getName())) event.setCancelled(false);
		}
	}