Quest Description Edit
If stone production is in shortage, you can levy upon your people for it temporarily. But just keep an eye of the loyalty while levying. Keep loyalty in reasonable range, it will rise back automatically.
Quest Guide Edit
Click Town Hall, and then select the tab "Levy", scroll to and hit "Stone". (Levy has a cooldown of 15 minutes). Levying upon your people will lead to loyalty decrease. You suggested enhancing it by Comforting.
Quest Target Edit
Quest Award Edit