Earlier quoted context omitted.
Contact law enforcement.
This is generally a good idea and the right thing to do, but cancel culture still exists for some reason. Probably it's because people do not trust conventional justice and do not believe in law enforcement?
In the original #metoo Hollywood case it's that the whole culture was/is rotten and has been for decades. There's no other recourse because the culture normalizes "casting couch" type stuff. That's where the term comes from after all.