You can also find people by reading the profiles published in your newspaper. Ask them to give time and to give money. Members don't leave the movement because they are asked too often. Members leave because they aren't asked enough. Give people a sense of accomplishment and they'll want to do even more.
Most people adopt points of view over a long time.
Get them to like you first and their ideas will follow. Send thank you cards to guests. Invite them back. Let them know that they're appreciated. Talk to you next month.