Education in classical liberalism (aka libertarian) thought
Analytical and logic skills (beyond what they have naturally)
Cooking
Military tactics and strategies
Western History (in a positive sense)
Mathematics and Science (beyond what they have naturally)
Woodworking/carpentry
Home repair
"The more artificial taboos and restrictions there are in the world, the more the people are impoverished.... The more that laws and regulations are given prominence, the more thieves and robbers there will be." - Lao Tzu, 6th century BC
"Society is, always has been and always will be a structure for the exploitation and oppression of the majority through systems of political force dictated by an élite, enforced by thugs, uniformed or not, and upheld by a willful ignorance and stupidity on the part of the very majority whom the system oppresses." -- Richard K. Morgan
I was kind of thinking of those with martial training, tactics and strategy. But yes, for clarity, guns. Especially guns and proficiency in their use, cleaning, maintenance and reloading.
"The more artificial taboos and restrictions there are in the world, the more the people are impoverished.... The more that laws and regulations are given prominence, the more thieves and robbers there will be." - Lao Tzu, 6th century BC
Indeed, good additions. Though according to traditional roles, women would be the ones canning and gardening. The men might farm though, which is somewhat more complex and detailed.
"The more artificial taboos and restrictions there are in the world, the more the people are impoverished.... The more that laws and regulations are given prominence, the more thieves and robbers there will be." - Lao Tzu, 6th century BC