I enjoyed reading books about volunteering and travel and I dreamed of going to the places mentioned in the books.

He actually volunteered to go Vietnam.

I appreciated my experience there so much that I continued to volunteer regularly in my community all throughout high school.

Most of our offices are staffed by volunteers.

But now he joins in when it's necessary for business reasons and often talks and jokes about his abstinence -- and he volunteers to be the designated driver now and then as well.