If you plan to collect thousands, it can become a problem as this will be considered as personal income for which you can be taxed. It may also raise a trust issue within the community. In those cases, it's better to have a legal entity that can hold the money on behalf of the community. It could be an entity that you create yourself with a few other rebels (that will effectively act as a fiscal sponsor for the group), or it could be an existing one that will offer that service for you. We are listing below a few of those entities.