Aren’t there books out now about bullies, and how to deal with them? Hmmm. Boy, cost aside, what wouldn’t be fun to do. Like increase the voltage on the electric fencing. Install real cameras everywhere. Pour puddles of tar around the outside perimeter of the pastures. Coat the fences with horrific fly paper like sticky stuff, or sap from trees maybe. Set up a large boulder which would slam into someone’s car if they came through the driveway gate when you weren’t home. Set up screechingly loud alarm signal the bully can set off. Coat the fences in permanent ink of some kind so if they go through them they are marked all over. I tell you, my husband has no averson to skunk smell. Says it reminds him of the farm growing up, and likes it. He would saturate the perimeter of the property with skunk musk and not care about the smell himself.
I might keep the horses in at night and set up a horrifyingly unceasingly loud alarm if the barn door was opened. What else could you do to make it a miserable and embarrasing experience to come onto your property?
What would totally humiliate these people? Video cam of them on youtube? probably not. Bucket of paint all over them?