This is the 437th most frequent Italian word.
alessandro
"Alessandro" is an Italian male given name, equivalent to "Alexander" in English.
Here, "Alessandro" is used as a proper noun, referring to a person's name.
Alessandro è un ragazzo gentile.
Alessandro is a kind boy.
In this sentence, "Alessandro" functions as the direct object of the verb "hanno chiamato".
Hanno chiamato Alessandro per aiutare con il progetto.
They called Alessandro to help with the project.
Here, "Alessandro" is part of the possessive construct, showing ownership of the work being referred to.