Meet other local people whose worldview is naturalistic - ie free from supernatural and mystical beliefs. To read more about this, have a look at www.the-brights.net. No militant intentions and no specific plans at the moment - just a chance to spend the occasional evening with likeminded people. If you've got any ideas or suggestions, bring them along!
You'll get advice, help finding members, and tools to make running a Meetup Group easier.