Answer:
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
I am owned by the poor, the rich do not need me. If you eat me, you will die! What am I?
No legs have I to dance, no lungs have I to breathe. No life have I to live or die, and yet I do all three. What am I?
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
I am your mother's brother's only brother in law. Who am I?