The theatre and performing arts sector is diverse with roles available in the creation, production and management of live performances.
The Stage's Ultimate beginner's guide to theatre jobs (2016) gives an insight into the variety of theatre roles and how easy they are to get into.
A guide to Access to Work for the arts and cultural sector, from Disability Arts online: https://disabilityarts.online/atw/
The following fields also have work for people with skills in writing, marketing, research, etc