Camera Controller script as a child object,Camera Control as a Child Object for my Player

Hi everyone, I am making a rolling ball game from tutorial to be multiplayer. I want to add the camera control into the ball as a child object so that every user has his own camera to be followed. The problem is that my camera is keep on rotating like the ball even if i add the camera controller script in the camera. Can anyone tell me what should i write in the script or if you have any other suggestion then please tell me. Thank you,,