My brother wants to kill me

We live in a building with three apartments, last year my brother decided to take one of these apartments and use it as a clinic, which means that our entry door has to be opened for the patients and the employees. A week ago a thief has entered to the building and ignored the cameras and tried to steal some taps and junks, I told my parents and my brother that we have to close the door and the others have to use the bell and the priority is for our safety not for the clinic, but my brother yelled at me and call me with bad words and then he threw me with a hot soup plate. The day after that I closed the door myself then my brother ran after me and yelled at me and told me that I deserve to be beaten and he has no regrets for what he had done and he would do it again till I stop interfering with his job. I feel isolated, unsafe and injustice