This is the 17944th most frequent Polish word.
świderski
"Świderski" is a Polish surname and does not have a standalone meaning in English.
In this sentence, 'Świderski' is used as a proper noun, likely referring to a person's surname.
Świderski mieszka w Warszawie.
Świderski lives in Warsaw.
Here, 'Świderskiego' is the genitive form of the surname 'Świderski', indicating possession.
Przyjaciel Andrzeja Świderskiego jest bardzo miły.
Andrew Świderski's friend is very kind.
In this case, 'Świderski' is mentioned as part of an individual's surname.