I don't know who signed up for my class, but I know that we share the belief that community matters. To paraphrase Grace Paley, a community might not be changed by talking to one person at a time, but it can be known.
If someone has a service you value, offer your expertise instead of cash. You will be stunned at how often the offer is accepted. Most businesses are more eager to pay in services or products than to write a big check.