Outstanding. Your composition perfectly captures his isolation and creates a lot of mood. I think the pole works well in the image because it acts as a bookend with the opposite tree, thus framing the bench in the middle. He is off to the side of the bench which additionally adds some tension. Great shot.
The pant leg in the sock adds poignancy to this shot. Also the shadows from the tips of his shoes makes him look like he is levitating a bit. Good shot, great mood.