Long story short. My dad saw my mum with other man and he got mad. Even though they are divorced for over 10 years and divorce was entirely his idea. He started to stalk me, my mum and my grandparents. Stalks both in real life and online. I think he tries to dig up some shit. I use vpn and set my social media accounts on private. I am still scared because he works in police and has a gun. Also he's mentally unstable. I am so fucking scared.