👉 In the context of mathematics, a "dustman" is an individual who works as a janitor or cleaner for a building. The job typically involves cleaning floors and surfaces in a building, including garbage collection, trash pickup, and general maintenance tasks. Dustmen are often employed by commercial buildings such as hotels, office complexes, and shopping centers, where they may also serve as security guards or attend to other maintenance needs. In the broader context of society, dustmen are typically associated with cleaning
