The hiker reached the summit of the mountain.

The hikers reached the summit of the mountain after a long and challenging hike.

I picked up a hitch-hiker on my way to the city.

I saw a group of hitch-hikers on the side of the road.

The thru-hiker completed the entire Appalachian Trail in six months.

Thru-hikers often complete long-distance trails in one continuous journey.

The through-hiker completed the entire Appalachian Trail in six months.

Through-hikers spend months hiking the entire Appalachian Trail.

He developed a hiker's rash after a long hike in the mountains.