This is the 3060th most frequent Spanish word.
julián
"Julián" is a Spanish male given name, equivalent to "Julian" in English.
Here, 'Julián' is again a proper noun used to refer to the person being waited for, functioning as the object of the preposition 'a'.
Estoy esperando a Julián en el parque.
I am waiting for Julián in the park.
In this example, 'Julián' serves as a proper noun identifying the person who possesses the book, functioning as a possessive noun in the sentence's structure.
El libro que tiene Julián es fascinante.
The book Julian has is fascinating.
In this sentence, 'Julián' is used as a proper noun, specifically a name, indicating the subject of the sentence.