When I play a multi-player game, my friend always gets hurt for no reason.

Put the summary of the bug you're having here

What I expected to happen was...:
that my friend would not get hurt by the game

What actually happened was...:
the game hurt my my friend over and over again

Steps to Reproduce:
1. Have a friend go into your world.
2. Let them walk around for a bit.
3. Wait and see what happens.