My father stalks people on social media?

My father is a 60 year old man who doesn't have a job for the past 10 years because he doesn't want to. Spends the day home taking naps, smoking, drinking and doing a lot of nothing and loves stalking people on social media he even has a software that enables him to check pictures that people hide from others. Years ago I had a boyfriend and once he knew his full name he stalked all his social media accounts sent me screen shots and sent him friends requests which my then boyfriend didn't accept. I wouldn't accept either if I was my ex I'm a very private person and only a very limited number of people have access to me and my social media. I've noticed he's been doing this all over the years to other people. My mom recently got a new job and today he sent me inappropriate pictures of her new boss Lord knows where he got those pictures from and a full description of who the lady is. I was like WTF why would someone do that don't you have a life? I didn't even answer. He even knows this lady's dietary restrictions. Should I say something?
My father stalks people on social media?
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