This is the 6088th most frequent German word.
csongor
The word "csongor" is not German; it is a Hungarian male given name.
In this sentence, 'Csongor' is used as a proper noun to denote the name of the person who enjoys playing soccer.
Csongor spielt gerne Fußball.
Csongor enjoys playing soccer.
Here, 'Csongor' is the object of the preposition 'auf', indicating the person being waited for.
Wir warten auf Csongor am Bahnhof.
We are waiting for Csongor at the train station.
In this case, 'Csongor' is used as the subject who performed the action of writing the book.