Assuming this is real, that’s a typical shadow person.
I was going to say, if this is an entity, she should have had other symptoms that there was an issue, such as seeing it in mirrors and out the corners of his eyes, feeling presence, and other paranormal symptoms. If he didn’t, I lean towards this being fake. A humans’ senses are better than cameras every time.
… and you updated the post to mention that he did get these as I wrote that, so then, that would make this the hands down best photo of a shadow person on the internet. 
Banish and cleanse then set up wards, because randoms like that have no business trespassing in your house. It’s costs nothing and does no harm. But shadow people are time wasting energy leeches and should be shown the door.
Tell him to fix his spiritual hygiene Unofficial Tutorials: Spiritual Hygiene & Defense Basics Collection