You are a…
You are a magical dolphin gliding through the waves servaying the waves near a deserted, mysterious island looking for a tasty, fishy snack.
You are a beautiful, snowy owl flying through the clouds looking for the right house to deliver the sealed , yellowish letter from your owner who you do not know.
You are a black, shiny horse galloping free from the terrible owners who treated you cruely with wips. You are looking back at the kind person who helped you and knowing that he is good.
This is beautiful writing. Well done. I can imagine an entire story galloping its way out of that last paragraph alone. I wonder how you are going to repay the kindness of the stranger.