Robots could do some of the care work, but some work will probably still need humans, like repairs and some medical work I would imagine. To do that, the colon

Robots could do some of the care work, but some work will probably still need humans, like repairs and some medical work I would imagine. To do that, the colony would have to hire people to live there, for years at a time or more. Pay would probably need to be very high unless Earth has gotten really, really horrible.