The term volunteer refers to someone who willingly offers their time, services or talents for a particular cause without expecting any financial compensation in return.
Usage examples
I decided to volunteer at the local animal shelter on Saturdays.
Our company encourages employees to volunteer time for community service projects.
The students organized a volunteer group to clean up the park.
He volunteers at the hospital, helping patients with their daily activities.
I plan to volunteer at the food bank during the holiday season.
We need more volunteers to help with organizing the charity event.
She is a dedicated volunteer at the local library, assisting with book clubs and storytimes.
He was recognized for his outstanding volunteer work with a community service award.
The build will require lots of volunteers of every skill level to construct signs, banners, posters, etc. in anticipation of this long state budget fight. (stopmpstakeover.com)
In the coming weeks we will be putting out calls for volunteers for many roles within our rescue. (littlepawsdr.org)