This is the 6411th most frequent Portuguese word.
dini
"Dini" is not a standard Portuguese word. It may be a name or a non-Portuguese term.
In this instance, 'Dini' is used as a proper noun, specifically a nickname.
O apelido do seu amigo é Dini.
Your friend's nickname is Dini.
Here, 'Dini' refers to a person's name who is the subject of the sentence.
Dini gostava de viajar pelo mundo.
Dini liked to travel around the world.
In this sentence, 'Dini' is presented as an example for illustration.