a window cleaner
A janitor or maid
Safai wala.
[object Object]
A neat freak!
A person who cleans a vacuum is typically referred to as a vacuum cleaner technician or a vacuum cleaner service professional.
a janitor.
If the person was female, she would be called a maid.
Detailer may be the one you're thinking of.
Generically a "domestic aid" For a female a "chambermaid" For a male a "houseman"
A window cleaner
Well... A window cleaner?