1. people who offer to do something without being forced or paid
Usage: plural of volunteer

1. offers to do something without being asked or forced
Usage: third person singular present

Examples

• Many volunteers helped clean up the park after the festival.
• The hospital relies on volunteers to assist patients.
• She volunteers at the animal shelter every weekend.
• He always volunteers to help with difficult projects.
• The organization needs more volunteers for the food drive.
• My sister volunteers her time to teach reading to children.
• Local volunteers painted the community center for free.