This is the 8610th most frequent Portuguese word.
activista
"Activista" means "activist," referring to someone who campaigns for social or political change.
In this sentence, 'activista' refers to an individual advocating and organizing efforts towards peace.
Todos se uniram ao activista na marcha pela paz.
Everyone joined the activist in the march for peace.
The usage of 'activista' here denotes someone who has taken up the cause of animal rights and is working to promote it.
Ela tornou-se uma activista pelos direitos dos animais.
She became an activist for animal rights.
Here, 'activista' identifies a person engaging in advocacy for environmental causes.