Final answer:
In 'The Giver', children start their volunteering hours at the age of twelve, which prepares them for their future roles in the community.
Step-by-step explanation:
In The Giver, children in the community begin their volunteering hours at the age of twelve. This is an important aspect of their society, which emphasizes uniformity and service, and it is a part of their preparation for the Assignment they will receive at the Ceremony of Twelve. The early introduction to volunteering helps them understand and integrate into their assigned roles within the community.