Hello, looking for a bit of advice here. So sorry its long I am a beginner player, while my partner is a more advanced college player. Yesterday morning we were using our local courts for a reserved practice time of 8:00 to 9:00. There was another group playing on the opposite court from 8:00 to 9:30. They were elderly beginner players. And they'll be important later on in the story... We were working on our serves when the group that was schedule to use our court next arrived. They were about 10 minutes early and were stretching off to the side. We waved "Hi" and mimed that we'd pick up the balls in just a moment and had 2 more serves left. Later we learned they were actually waiting on 2 more players to arrive. Everyone was all smiles! As we prepped our next serve the elderly gentleman came over from the other court and told us "Times up. You need to get your balls and get off the court." My partner and I exchanged looks and nodded to him then went back to our serves since we had already spoken with the group who was using the court next. He went back to his court. At this point I was sitting on the ground in front of my partner for a drill where I toss to him after he serves. My partner hit once. The older man came back over to our court, now fully screaming about how we needed to leave right then. He stood overtop of me and continued to yell as said "Sir please calm down." He then proceeded to lightly hit and roll balls at us. The other group exchanged sheepish glances at us. The older man's partner called to him to come back over. Then we picked up the balls and left. Before the end of our 9:00 appointment. In talking with the local court's office afterwards, they said he used to own the building over 20 years ago and gave it to the county. They did say they were going to look into it. But I fully expect to run into him again. Given that is a very conservative town, and we are very easily identifiable with the local college, we need to make sure that we are behaving in a manner that both respects our rights to use the courts and doesn't cause more trouble. We will meet him again. I'm sure he'll be watching the clock to yell at us again or to find something else we do wrong. What would you suggest??