Sauvarin sustained a serious wound to his arm which required stitches.
"I can't stop thinking about it," he said.
"I was supposed to get home safe."
The driver, a 26-year-old Hoppers Crossing man, was arrested and charged with intentionally causing injury, recklessly causing injury and assault with a weapon.
He was bailed to appear in Werribee Magistrates Court on September 6, 2021.
In a statement obtained by NCA NewsWire, an Uber spokesperson said the company "strongly condemned any criminal or violent activity."
"This is an awful incident," the spokesperson said.
"When we became aware of this report, we removed the driver partner's access to the app and worked actively with police to support their investigation.
"We are continually looking for ways to improve safety before, during and after every ride."
Uber drivers must undergo a driving and criminal history check before they can begin using the app, and riders and drivers are prohibited from carrying weapons.