Everyone Hates Me

I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. Who am I?

Dead Running

I fly when I am born, lie when I’m alive, and run when I am dead.

In And Out

I turn around once. What is out will not get in. I turn around again. What is in will not get out. What am I?

Water Knight Riddle

My first four letters describe all living things. My last five letters are another word for knight. My job is to save you, and I’m a fan of water. Who am I?