The person appears to be wearing a diaper. And in the top right corner there's a post with what appears to be Hebrew writing.
In the right side of the picture there's a collection of remote controls and I've counted several phones and calculators scattered about.
Given the disorganized appearance, and the 5 dollar headphones, I'll venture a guess that this person is not so much a professional anything, as much as a Middle Eastern hermit wackjob.
Yeah, looks like an electronics hoarder. Each of those things at one time had a purpose, but 90% of it is sitting there unused and needs to be discarded/recycled.
Mickey Gurdus, an Israeli ham radio operator and media listener. In the age before the internet he used to listen to every transmission he could find from his homemade lab.