Have no issues with you in-game, Helpful, knows rules.
My only issues with your app is D1. & D3.
On D1.: you wouldn't tp to said staff member abusing their powers, you record/get proof and report them to a higher up with proof, Keyword also being Severity.
D3. You would ask them to stop, to delete the props, and tell them that if they wanted to build outside that they need to be hobos, Also mention that hobos can only build on sidewalks. If they continue, warn them, kick, then ultimately ban if they continued to build on the street.
Conclusion: Would like to see as staff, App could use minor touches. Besides those details i give it a (+1)