Answer:
He is criticizing the way his own government treats its enemies.
Step-by-step explanation:
The given excerpt is from the essay Of Cannibals written by philosopher Michel de Montaigne. Here, Montaigne describes the ceremonies of the Tupinambá people in Brazil and how they ate honored their dead enemies by eating their bodies.
In this excerpt, he actually criticizes the way his own government treats its enemies. When he says eating a man alive, he doesn't mean it literally. In fact, he is talking about how his government torments its enemies before they die. He thinks that such treatment is more barbaric than eating the bodies of enemies as a way to honor them.