The phrase "dedicated volunteers" refers to people who are committed and give their time and efforts willingly to help others or support a cause without expecting anything in return. Full definition
The center is staffed by a small team of dedicated volunteers who daily feed, clean and spend time with the cats. (econotimes.com)
We are a network of foster homes run by dedicated volunteers who have united under the common goal of keeping small animals from being euthanized when they have nowhere else to go. (northstarrescue.org)
Your company is looking for dedicated volunteer individual and I believe that I am qualified for it. (samplecoverletters.net)