It's good to volunteer to help the needy.
John's college requires him to do a certain amount of volunteer work in order to graduate.
John wants to fulfill the volunteering requirement.
John volunteers at a local soup kitchen for several hours every week.
John forges documents to make it appear that he satisfies the volunteering requirements.
John feels happy and fulfilled and graduates as planned.
John's lies are discovered, and he is unable to graduate on time.