Answer:
There is someone, and there is always another, for without the other, there wouldn't be one
I open wide and tight I shut, Sharp am I and paper-cut fingers too, so do take care, I'm good and bad, so best beware.
What can stand in place of a country but still fold away in a drawer?
If you spot one of these eastern warriors, they're not doing their job right.
I tremble at each breath of air, and yet can heaviest burdens bear.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.