In this short article, I will help you with how you can display only the reviewer's name on your reviews widget.
First, navigate to the 'Widgets' tab and click 'Edit' on the feed/widget that you want to make changes:
Then, click on the 'Card' setting and under 'Reviewer name' in the dropdown list select First Name:
Also, you can choose to show the name and short surname by selecting 'Short surname' or hide the name.
Please make sure to save the changes in your top-right corner.
The final result will look like this: