This is the 118th most frequent Hungarian word.
péter
The Hungarian word "Péter" is a male given name equivalent to "Peter" in English.
Here, 'Péter' is a proper noun being used as the subject of the sentence to refer to a person's name.
Péter szereti az almát.
Peter loves apples.
Here, 'Péter' is a proper noun with an instrumental suffix added to indicate the means or person with whom the action was conducted.
Találkoztam Péterrel tegnap.
I met Peter yesterday.
Here, 'Péter' is a proper noun in possessive form, indicating ownership of the car.