You missed a whole section. How to behave around cavalry :
1: Horses have a limited acceleration and turn radius. Try no to get in the way of friendly horsemen, they can't always avoid you.
2: When fighting an enemy, don't get in the way of the friendly cav that is trying to help you. It can only lead to teamhits and friendly bumps.
-2.1: Be aware of your surroundings, friendly cavs are here to support you in the fight and change the tides of the battle, not steal your kill and valor.
3: As infantry, you should try playing as cav at least once. All these problems come from ingnorance about cavalry.
4: "Anyone not on a horse is a peasant."