Who narrates the The Pearl, and is there a point that the author (Steinbeck) is trying to make by using this narrator?

In 1940joined
his biologist friend
Edward F. Ricketts on a sailboat to collect marine invertebrates from the

beaches of the Gulf of California. While they stopped in the harbor town of La Paz,
Mexico, they
heard a story about a poor Indian boy who had discovered a
magnificent pearl. Steinbeck took
this tale and wove his novel as a , a tale
told in order to present a moral lesson.

The narrator of
this parable is an omniscient one; he knows what is in the minds and
hearts
of...