Quoted By:
Discipline
Good work ethic
Social Skills
Physical fitness
High tolerance for physical and emotional suffering
Farming and orchardkeeping
Animal husbandry with a focus on sheep and chickens and beekeeping.
Unarmed martial arts with a focus on subduing while minimizing permanent injury
Cooking
A single craft or profession like trapping, tanning, leatherworking, weaving, sewing, blacksmithing, cnc work welding and 3d printing, construction, woodworking, glassblowing, chemistry, foraging, physical therapy, basic medical diagnostic skills, dentistry, car or bicycle repair, electrian, preserving food via root cellaring charcuterie and brewing alcohol; dog training, website design, being a lawyer, video production, sales ecommerce and marketting.
I know some of these may seem odd but controlling outsider's perception of your group makes the difference between being left alone to thrive and being villified and getting burned to death. A good website with some videos of wholesome and universally acceptable activities(think commercial for antidepressants) and selling a product via the internet makes your group appear legitmate and harmless which is neccessary even if they really are and this is best done in-house.