Our's opens and closes the gate to let motorbikes and cars in to the car park, does a couple of patrols, brings any deliveries (Lazada, AliExpress etc) to our door if dropped at security box, and generally acts as a deterrent to any unauthorised people entering the building.
Occasionally brings fruit or veg for my GF from his garden on occasions goes back to home town, and helps me unload the shopping and cases of water from the car if he sees me doing it.