The act of volunteering; the action of the verb volunteer(noun)
Present participle of volunteer.(verb)
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Use "volunteering" in a sentence
"As far as volunteering is concerned, I´ve just done a little bit here, working as a volunteer guide in a museum when they need an English-speaking docent."
"As people now have longer working lives, organisations must look at more flexible and shorter-term volunteering opportunities, reaching different audiences to create complex yet excitingly diverse volunteer teams to support core staff."
"Tom Ganley (OH-13): In this well-publicized incident, a woman interested in volunteering for Ganley claims she was instead met with groping, sexual harassment, and discrimination."