Every church is desperate for volunteers. It's not only important to effectively recruit them, but after they are recruited, it is equally important to work hard to keep them. Unfortunately, the difference between how we treat volunteers when we are recruiting them and after they volunteer is sometimes similar to the difference with some couples between courtship and marriage.
Before the wedding the groom is all flowers and candy; after the wedding, he becomes Mr. Grumpy.
Don’t become Mr. or Mrs. Grumpy to your volunteers. Be as kind, caring, and thankful to them when they have been around for 6 months as you are the first week. Not only is this the proper response for a disciple of Jesus, but volunteers can easily quit if you make it difficult or unpleasant to serve. You can express that thankfulness to them through a variety of church communication projects such as:
Reminders of meetings or volunteer responsibilities
You may be reluctant to do this thinking that you are unnecessarily bothering people, but we need to remember that unlike many of us, the lives of most of our volunteers do not revolve around the church. People may volunteer with the best of intentions, but if they did not write down all the details after signing up in the church lobby or online to do something, it's easy to forget all about it.