This is the 7188th most frequent Spanish word.
freyre
"Freyre" is not a standard Spanish word but could be a proper noun, such as a surname.
In this sentence, 'Freyre' is used as a proper noun, presumably a surname of a person being discussed.
Freyre participó en la conferencia internacional sobre literatura.
Freyre participated in the international conference on literature.
Here, 'Freyre' refers to the notable sociologist Gilberto Freyre, again as a proper noun.
El legado de Gilberto Freyre en la sociología es innegable.
The legacy of Gilberto Freyre in sociology is undeniable.
In this case, 'Freyre' is being used as a proper noun, indicating someone whose perspective or suggestion is being discussed.