Beach Ghost Picture

Jordan from Oregon sent us a ghost picture taken at a beach. Is the see-through man actually a ghost? Everyone else around him seems solid. Photo trick, camera malfunction or apparition?

"Went to the beach with friends and family over the weekend to do a panorama photo of the beach with my camera. When it was finished and saved, I got back to the house and this is what I found: an invisible-looking guy in which you can actually see the rock located behind him."