What is satire, and how is it used in "A Very Old Man with Enormous Wings"?

In the
short story "" by Gabriel Garcia
Marquez, an old man with wings like a buzzard's is
swept into the courtyard
of the home of some villagers by a powerful rainstorm. Although a
neighbor
concludes that the man must be an angel, the householders, unable to communicate
with
him, lock him up in their chicken coop. The local priest comes to
inspect the old man, but he is
suspicious due to the stranger's terrible
smell, parasites, and the fact that he cannot speak
Latin, which the priest
considers the language of God.

The householders
decide to
charge admission...