Listening to the story, even without MS, I wouldn't take the position! They probably wouldn't want me to.
When it comes to someone wanting me to do unpaid work when I'm an hourly employee would not set well with me.

I've had two places of employment already that I went searching the department of labour to make sure some of the stuff they did was within the rules. Barely, both times.
Of course my first response about overseeing the picnic as part of the job, I would've said "got it in writing?"

Don't think they would've been interested in someone like me.