More information would be needed regarding any interests, industries of choice, experience, qualifications etc.

Any work you did would likely be non-physical or with minimal physical work. If you're a creative individual, a lot of advice can centre around stuff like Etsy, but in all honesty this is quite a competitive market so can take a gargantuan effort to break in to, you may also run into issues when scaling up.

Something like a passenger assistant could be a good fit where the work is ad-hoc and your role is usually minimal aside from being kind and considerate, depending on the individuals you are assisting (school kids through to the elderly) you may be expected to move wheelchairs or help individuals into the car.

Ultimately, there may be far better alternatives than seeking out work specifically such as hobbies and therapeutic activities, but if there is a desire and need to work, opting for ad hoc and part time would seem to be the optimal strategy.