Answer:
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
They are the shore's gallant knights.
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
Long and thin, red within, with a nail at the end.
Pointing North, South, East, and West it saves the lost and helps the rest. What is it?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.