This is the 11555th most frequent Polish word.
kapłanowi
The word "kapłanowi" is the dative form of "kapłan," meaning "to the priest" or "for the priest" in English.
In this sentence, 'kapłanowi' is in the dative case, indicating the recipient of the flowers.
Uczniowie przynieśli kapłanowi kwiaty na zakończenie roku.
The students brought flowers to the priest at the end of the year.
Here, 'kapłanowi' serves in the dative case to show to whom the letter is given.
Dano kapłanowi list z podziękowaniami od parafian.
The priest was given a letter of thanks from the parishioners.
In this usage, 'kapłanowi' appears in the dative case to denote who is being honored.