Working from home is a possible option. There are many courses that may be taught online these days.

I have a relative with a family emergency and instead of taking family leave, the courses that would have been taught on campus are being converted to online this semester to accommodate the situation.

Sometimes one must think "outside the box" so to speak. There are MANY ways to earn an income from home where one can have the flexibility to rest when needed, take days off completely when needed, avoid having to walk to a place of employment from their vehicle, etc. It may not be an income that would exceed SGA levels, but it could be of some financial benefit to a disabled person.