In the book The Lord of the Flies, chapter 1, how is piggy revealed as most closely tied to the world of adults?

In Chapter 1 he is also the only one, other than Ralph,
who refers to an adult relative.   While Ralph refers to his father, Piggy keeps
mentioning his auntie--at least four times.   Piggy is the one with the knowledge as to
how to blow the conch and that the conch can be used to call a meeting.  He is also the
voice of realism in the first chapter.  He is the one who knows that the plane has
crashed, and that all the grownups who came with them are dead.  He knows also that they
are on an island and that rescue may be a long way off.

In
Chapter 2, this role is reinforced when Piggy becomes the spokesman for the littlun with
the birthmark.  The littlun evidently shared his fear with Piggy, and Piggy like an
adult encourages him to express his fears of the "snakelike things" to the assembly. In
Chapter 2, Piggy chastises the boys when they get out of control at the prospect of
making a signal fire by saying that they are "acting like a bunch of kids," as if he is
the adult and the rest are children.