The people who cultivate unusual hobbies, but not such unusual hobbies as to be illegal, are very often worth knowing. They are -- not ordinary.
Creative Anachronists
Combat Pistol Competitors (need to look up any web presence for these -- one tends to think more of hardware with these people than software)
Buckskinners
Historical Recreationists/Reenactors
Survivalists that are politically agreeable with you -- mild paranoia can be a hobby if you play it right.
Artisans who make a living making oldfashioned goods -- coopered barrels, birchbark canoes...