This is the 9466th most frequent Polish word.
wałerijowi
"Wałerijowi" is the dative form of the Polish name "Wałerij," meaning "to Wałerij" or "for Wałerij."
This is the dative case used to indicate the recipient of the action.
Wałerijowi podarowałem książkę na jego urodziny.
I gave a book to Wałerij for his birthday.
Here, the word is used in the dative case as the indirect object of the verb.
Wyjaśniłem Wałerijowi, jak rozwiązać to zadanie matematyczne.
I explained to Wałerij how to solve this mathematical task.
This demonstrates the dative case indicating the recipient of the message.