As an activist, she used to chain herself to fences in protest at chauvinism and sexual violence. She was, by her own admission, one of the most high - profile feminists in Brazil.
Sara is certainly striking. She has peroxide blonde hair, tattoos and a snappy dress sense.
But the thing that stands out the most is the badge she is wearing on her top. It is a picture of a skull with a knife through it and two guns.
"It's my favourite police organisation, Bope, " she says, proudly referring to the logo of Brazil's Special Police Operations Battalion.
"They climb into the favelas and kill the bad guys. They put their lives at risk all the time to save the population of Rio. "
It is not the sort of comment you would expect from a liberal activist. But Sara has had a political about - turn in recent years.
Source: BBC News