This is the 345th most frequent Polish word.
kibiców
"Fans" or "supporters."
Here, 'kibiców' is used in the genitive plural form, referring to the group of sports fans present at the stadium.
Stadion wypełnił się tysiącami kibiców.
The stadium filled with thousands of fans.
In this sentence, 'kibiców' appears in the genitive plural form, showing possession or association with the noun 'niektórzy' (some).
Niektórzy z kibiców przynieśli flagi.
Some of the fans brought flags.
Here, 'kibicom' is in the dative plural form, indicating the indirect object (recipients of thanks).