Long Riddles and Answers

Question: I am a nice word composed of five letters, but the Romans would call me a numbers.

What am I?

Question: Imagine your in a sinking boat and there is alligators trying to eat you. How do you save yourself?

Question: I am made of scraps and rags, Yet when I am put together, I keep you warm in the winter. What am I?

Question: You hear it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung. What is it?

Question: I give advice to others,
yet I know nothing myself.
I am a hitchhiker destined to stay still.