This is the 370th most frequent Polish word.
polityków
"Polityków" means "politicians" in English (genitive plural form).
The word 'polityków' is in the genitive plural form, used here to indicate a subject of interest or possession.
Polityków interesują sprawy społeczne.
Politicians are interested in social issues.
The word 'polityków' is in the genitive plural form, used after the word 'grupę' which requires genitive to indicate the group composition.
Widziałem grupę polityków na konferencji.
I saw a group of politicians at the conference.
The word 'polityków' is used in the genitive plural form to describe an association or exploration of a topic (reforms).