A person who lives in or frequents the boondocks; someone from a remote or rural area.
From 'boondock' plus the agent suffix '-er' (one who is or does), creating a term for a person associated with remote areas.
In RV culture, 'boondocking' means camping in the wilderness without hookups, so a boondocker is someone adventurous enough to roughing it—the term has been reclaimed positively by outdoor enthusiasts.
Complete word intelligence in one call. Free tier — 50 lookups/day.