I am not a TX attorney, but I don't think that matters. IMO, this is not a legal issue. There was a miscommunication, and it sounds like you have...

When you signed up to use Rover, you agreed to their terms of service, including for dispute resolution. That is where you start. A lawsuit will...

It would seem the easiest solution is to report it to your insurance company.

Absent a serious, permanent injury, this is not going to be worth the cost of pursuing IMO.

Scam. Block the number and have no more contact.

Threaten your life? No. Threaten to write you up? Yes.

IMO this is a significant uphill climb..............

Is it legal for a landlord to sit in front of the house everyday ? Of course it is.

It's wondering, not wandering, and no.

You have nothing to sue for. This is not a legal issue. At all.