This is the 4367th most frequent Polish word.
górnik
Miner.
The word "górnik" refers to a miner, an occupation related to mining resources such as coal.
Górnik wydobywa węgiel w kopalni.
The miner extracts coal in the mine.
Here, "górnik" identifies a person, with special emphasis on a cultural or ceremonial representation of miners.
Na festynie spotkałem górnika w tradycyjnym stroju.
At the fair, I met a miner in traditional attire.
In this context, "Górnik" is used as a proper noun, the name of a football club, deriving its identity from the profession of miners.