Unprofessional, rude and impolite Uber driver

I requested the ride for my mother who was admitted in hospital, to visit me, who was admitted in a different hospital. She was in a hurry to get her things together and forgot the cash in her purse at the hospital she was at. When she got to the hospital where I was admitted, she asked me if I had cash to which I didn’t but I had my card with me. She explained this to the driver, whilst waiting on me to have the nurse remove the drip from my arm so that I could withdraw cash for the driver. My mother came back up to my ward, shaking and in tears because the driver was rude to her, screaming at her and the way he was performing, seemed like he wanted to physically assault her. I understand he was frustrated because we were taking long, due to me having to wait on the nurse to remove my drip. There’s also no reception at the hospital so I couldn’t communicate with the driver or my mother telephonically. I went down to the driver to apologise again, despite the numerous times my mother apologised. I explained to him that I will be withdrawing the cash for the ride and asked him what the fee for his next ride was, which he supposedly had cancelled, because I wanted to pay for that trip as well. He wouldn’t tell me how much the trip fee was. I couldn’t send my mother to the atm with my bank card because she was so shaken up by the harsh and rude behaviour the driver expressed unto her. I’ve never seen my mother cry and physically shake because of how someone spoke/treated her, she’s a strong woman so I imagine the degree in which he was screaming at her must have been intense. I did not appreciate this. The fee on my side showed R129 at the time I booked the trip but I paid him R300 instead. I did not express to the driver how I felt about how he treated my mother because I didn’t want to keep him any longer than we already have. I am extremely appalled and disgusted by the manner in which the driver chose to speak to and treat my mother and for this reason we will NEVER make use of Uber again! I will also be using this as a review on HelloPeter and other social media platforms to make other Uber users aware of how passengers are being treated by Uber drivers. This is truly unacceptable! In addition, when I initially booked the Uber for this trip, the driver that was assigned to the trip verbally communicated with another Uber driver to take this trip so I could not follow the trip. The unprofessionalism started at this point. So right now I’m not certain if the ill-mannered, impolite and disrespectful driver was this driver or not, that’s an investigation that has to be done on your (Uber) side. I do expect feedback in writing (email) and not telephonically, for my records