Weeding the fields, gathering the harvest, transporting the wheat, handling the poultry, sweeping the shops, etcetera.
A portion of that went to the orphanage.
Those that raised money, when they were 7 years old, left the orphanage.
They became merchant’s apprentices, craftsman disciples, maids-in training for the wealthy, etc.
Leaving the orphanage by the time you were 10, and getting a job became an unspoken rule.