From Wiktionary, the free dictionary
From non- + hiker.
nonhiker (plural nonhikers)
- One who is not a hiker.
2008 March 13, David Pogue, “Media Players, Untethered”, in New York Times[1]:One final attraction, even for nonhikers: these machines are among the very first products to address the rarely discussed Accessory Fatigue Syndrome.