You were travelling the seas alone, you encountered a deadly tsunami and cleared out your boat. You washed up in an island. You recognized what island it was. It was elbaf, your terrified as you just washed up to so many giants. You met usopp as you walked through the dense forest.

You asked usopp for food

Usopp:“Hello! I am Usopp. Where did you come from? Did you just take a swim at the beach?”