This is the 7496th most frequent Portuguese word.
navalny
The word "navalny" is not Portuguese; it refers to Alexei Navalny, a Russian opposition leader and activist.
Here, 'Navalny' is the object of the preposition 'sobre' (about), indicating whom the article is about.
Li um artigo sobre Navalny e sua busca por mudança.
I read an article about Navalny and his quest for change.
Here, 'Navalny' is used as a proper noun referring to a specific person, hence acting as the subject of the sentence.
Navalny é um ativista político conhecido mundialmente.
Navalny is a globally known political activist.
In this usage, 'Navalny' acts as a possessive noun describing the actions linked to him, indicating ownership or association.