This is the 7263rd most frequent Spanish word.
giammattei
"Giammattei" is not a Spanish word; it is a surname, notably of Alejandro Giammattei, the President of Guatemala.
In this sentence, 'Giammattei' is used as a proper noun to refer to a specific individual, Alejandro Giammattei.
Giammattei es el presidente actual de Guatemala.
Giammattei is the current president of Guatemala.
Here, 'Giammattei' is again used as a proper noun, showing that the subject of the discussion included references to this specific person.
Durante la charla, mencionaron a Giammattei varias veces.
During the talk, they mentioned Giammattei several times.
In this example, 'Giammattei' is used as part of a possessive construction to associate actions or policies with the individual bearing this name.