How to remove the blur in the raw image(.cr2) using photoshop cc 2018

I’m new to photography. The raw picture(.cr2) is out of focus. It focuses background instead of the person in the picture, and the person in the picture is really blurred, and the background is very clear. How to unblur the area of the person in the picture.

Camera: Canon 6D Lens: 50mm 1.8f