A person whose job is to clean and polish shoes.
Shoeblacks are often seen in cities, and they make shoes look nice and clean.
Examples:
The shoeblack cleaned my shoes.
I saw a shoeblack on the street.
The shoeblack's job is to make shoes shiny.
The shoeblack has a very dirty job.
The shoeblack can make old shoes look like new.
I want to be a shoeblack when I grow up.