Dangerous driving

This morning, as I was driving back from town towards Meyerville, I had the right of way on the slipway. I noticed the Afgri John Deere service bakkie at the stop street. Despite being in the correct lane, I had to veer slightly to the right due to potholes. However, the driver behind me became extremely impatient and aggressive, honking incessantly and tailgating dangerously close to my car. This behavior is utterly unacceptable and poses a serious danger to other road users. Eventually, the driver overtook me on a double white line over the bridge before turning off. I managed to note down the last digits of their vehicle registration: 820MP. I assume he is based at the Standerton Afgri Depot