They are Brazilian and they speak portuguese as their official language
The problem in Brazilian portuguese is o problema.
"Yes" in Brazilian Portuguese is "sim."
"John" in Brazilian Portuguese is translated to "João."
This last name is Portuguese and was popular among Portuguese and Brazilian people
Harmony is harmonia in Portuguese. (Brazilians speak Portuguese not "Brazilian").
There isn't an equivalent name in Brazilian Portuguese for Barry.
"Olá" is how you say hello in Brazilian Portuguese.
"Beijos" is how you say "kisses" in Brazilian Portuguese.
The word "wife" in Brazilian Portuguese is "esposa".
You would say "Eu sou brasileiro" in Brazilian Portuguese.
In Brazilian Portuguese, you can say "Como você está?" to ask "How are you?"