This is the 1266th most frequent Polish word.
dziennikarza
The Polish word "dziennikarza" means "journalist" (genitive or accusative singular form).
In this sentence, the word 'dziennikarza' is used as the masculine singular accusative form of the noun 'dziennikarz', denoting a journalist who is the object of the verb.
Widziałem dziennikarza w telewizji.
I saw the journalist on TV.
Here, 'dziennikarza' is the masculine singular genitive form of 'dziennikarz', used to indicate possession or association, such as advice belonging to the journalist.
Musisz słuchać wskazówek dziennikarza.
You need to listen to the journalist's advice.
The preposition 'z' (with) typically requires the instrumental case in Polish, 'dziennikarzem' would be correct here; 'z dziennikarza' would be considered a grammatical error, demonstrating the importance of case usage.