I think it is window cleaner.
a window cleaner
A janitor or maid
Safai wala.
A neat freak!
[object Object]
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
The glass snake, also known as the smooth snake (Ophisaurus ventralis), is a reptile that resembles a snake but is actually a legless lizard. It does not clean glass but rather burrows underground and feeds on insects and small invertebrates.