I honestly couldn't decide which of these images I preferred. In both cases, we're seeing almost the same amount of fence, creating strong leading lines.
On the left:
On one hand, the red jacket really pops and adds not just scale but a visual anchor point. The eye can't help but move to and rest on the hiker. I think the strong lines of the fence are powerful enough to help the eye continue past the hiker. On the other hand... well, it's a RED jacket. We have spot vs line along with a contrast of colour.
On the right:
Slight changes in camera position, focal length, a new human element and a big change in orientation make the fence an even stronger graphic element, thanks to the converging lines of the fence and the eye moves right through down the path and out, perhaps only briefly resting on the person. The new hiker still gives a sense of scale, but also blends in more with the scene, almost unnoticed.