I often get text messages that harass me. What should I do?

It is ok to protect yourself by law, but the cost is too high! As for the handling of this kind of harassment, I think it is better to ignore it! It's flattering to spend energy to find feasible ways to stop his behavior, or to find ways to attack him! Ignore him and feel at ease. As long as you insist on not taking his message seriously, delete his message immediately every time you see it. Don't be curious to know the content! Psychological contempt for his boring behavior, never feedback information, he will feel tired! Just think of a nymphomaniac standing on the road. You just need to avoid him. There is no need to provoke him. Don't choose a way that will affect your reputation to get rid of this social garbage!