Ah, thank you! I think if I add an observer powered piston to a piece of farmland directly behind where the target villager is, I can fully automate this safety mechanism. So long as farmer villagers will still throw carrots to other farmers, of course.
Get him to claim a composter (turning him into a farmer) and then take the items he plants. Do NOT trade with him at all, and when you're done you can break the composter to revert him to jobless.
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Ah, thank you! I think if I add an observer powered piston to a piece of farmland directly behind where the target villager is, I can fully automate this safety mechanism. So long as farmer villagers will still throw carrots to other farmers, of course.