How to handle catcalling thay becomes harassment?

Everyday on my way to work a older man will be catcalling me. And it's not like oh you look beautiful or you look pretty. It's like raunchy catcalling and very obnoxious. I at first didn't pay much attention. But it just kept going day after day. And it makes me feel very uncomfortable. I finally said something and I was very straightforward and told him to f off and leave me alone. But it won't end. It just keeps happening. No matter what I say ot wear. Every day he harasses me. And I can't take it anymore. I don't know what to do. And I have heard police don't really take stuff like this serious. What can I do.

How to handle catcalling thay becomes harassment?
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