"Hardworking volunteers" refers to individuals who willingly and enthusiastically contribute their time and effort to complete tasks or help others without expecting any payment or compensation in return. Full definition
Our humane society is comprised of hardworking volunteers, generous donations and an amazing devotion to helping animals. (stanlycountyhumanesociety.org)
Our organization is comprised of hardworking volunteers and veterinarian partners that are committed to placing Labs in new homes. (lrrof.org)
These events wouldn't have been possible without the dozens of dedicated staff and hardworking volunteers who did everything from setting up and managing the crowds to filling out paperwork and handing out water. (lifelineanimal.org)