In The Alchemist, by Paulo Coelho, what is the signifigance of Santiago becoming a shepherd rather than a priest as his parents had hoped?

Another
significant aspect of Santiago
becoming a shepherd instead of a priest is that it shows that he
is very
brave: he goes against his parents' wishes during a time when children were expected
to
obey their parents unconditionally. Santiago makes the courageous choice
to follow his heart,
which leads him to discover his Personal Legend. This
encourages young readers to do the sameto
pursue their own interests and
passions instead of following their parents' wishes without
question.
Furthermore, the adults that Santiago meets on his journey serve more as guides
than
as authoritative figures. The king, the gypsy, and
the...