This is the 8560th most frequent Spanish word.
rubén
"Rubén" is a proper noun in Spanish, used as a male given name.
In this sentence, 'Rubén' is used as a proper noun referring to the person's name.
Rubén es mi mejor amigo.
Rubén is my best friend.
Here, 'Rubén' is part of a proper noun referring to the name of a famous poet, Rubén Darío.
El poema Rubén Darío es muy famoso.
The poem Rubén Darío is very famous.
In this sentence, 'Rubén' represents the name of an individual and is central to the emotional sentiment expressed.