This is the 11177th most frequent Polish word.
gościom
"Gościom" means "to the guests" in English.
The word 'gościom' here is used in the dative case to indicate the indirect object—those who are receiving drinks and snacks.
Zaoferowaliśmy gościom napoje i przekąski.
We offered drinks and snacks to the guests.
The word 'gościom' is again in the dative case, showing to whom the gifts were given.
Prezenty zostały wręczone gościom podczas uroczystości.
Gifts were handed to the guests during the ceremony.
Here, 'gościom' in the dative case refers to the foreign guests involved in the context of the sentence.