Mediating, as in managing interactions between people who refuse to understand each other (or you for that matter). Being able to talk your way around, de-escalate, and just in general "make everyone happy enough" is going to both be super AI-proof but also make the journeys of you and those close to you much safer on this planet.
I believe it is a skill that can be learned. It's not really taught anywhere directly though.
If you're more technically inclined, whatever practical skills you need to live without money. Food, shelter, water, and energy related. If you can confidently and cheaply fix whatever necessity there's broken in a house, you'll be valued.
Don't learn skills that require complex equipment that you don't own and control yourself, because that equipment can be taken away from you at any time. Eg: most forms of AI usage