This is the 5682nd most frequent Portuguese word.
alessandra
"Alessandra" is a proper noun, typically a given name, equivalent to "Alexandra" in English.
Here, 'Alessandra' is used as a proper noun to refer to a person by name.
Alessandra foi ao parque ontem.
Alessandra went to the park yesterday.
In this sentence, 'Alessandra' is used as an indirect object showing the recipient of the action.
Eu comprei um presente para Alessandra.
I bought a gift for Alessandra.
The word 'Alessandra' is used in possessive form here to indicate ownership of the charity.