Source: The Great Interpretation of Dreams (Ibn Sirin)
A shovel in a dream indicates a servant or worker striving to gather money.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A shovel indicates a man who gathers money. Shoveling with it indicates striving to seek livelihood.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A shovel is interpreted as wealth and benefit.