If you didn't know what you were signing up for, you probably shouldn't have signed up. My first caveat of volunteering is always "Tell me exactly what my role/responsibility will be". That way there are no surprises. I would say for this year, since things are already in full swing, you should just deal with the guy you have to deal with the way you have to deal with him. If it means that much to you, or you want to put in additional time & effort, then do what a PP suggested and get proposals from other vendors who you consider more acceptable and present them to the group as an alternative for next year. Chesire Figment's post has all the necessary information you would need to request proposals. As far as the other lady...not her job to make your life easier. She has time constraints too, SAHM mom or not. Or you can just finish out what you said you'd do for this year then not volunteer at all next year, or volunteer in a different area that would be more acceptable to you.