How can we describe the character of the Mestizo in The Power and the Glory?

In Graham Greene's The Power and the
Glory, the character referred to as "the mestizo" is meant to represent the
figure of Judas Iscariot, the disciple who betrays Jesus. Inversely, the character whom
he affects the most, the priest, is meant to represent a Jesus-like
persona.

The mestizo is known as a "half-caste", after all
he is racially mixed. He has a tendency to want everything for nothing, and to set up
traps whenever he wants something for himself. He stops at nothing and resorts to
everything, from lying to double dealing, to get what he wants. However, in his bad
actions, he is the reason behind the good deeds of the priest. The priest sees in the
mestizo someone worth helping and forgiving. Therefore, the mestizo is who actually sets
the priest towards the ways of God. This is ironic, but makes the character of the
mestizo seem more likable. After all, his bad deeds end up in good
results.

The mestizo could be categorized as a comic
character. His actions are so extremely calculated that he even expects the priest to
bless him in order to be forgiven from all the sins he commits. He does not even stop to
analyze himself and offer some form of self sacrifice. Never. The mestizo lives for
himself only.

Additionally, the mestizo is a survivor. It
is his surviving methods what instill in his character a sense of animal behavior. He
seems to live for the day for the sake of having the basic elements for survival. This
is why he is not remorseful for his actions. His existence is merely primitive, and not
rational.