Final answer:
The question about what Amber received from the tree trimmers cannot be answered without additional context from the book or story that features Amber, as the provided text does not include the necessary information.
Step-by-step explanation:
In the provided text, there is no explicit mention of a character named Amber receiving an item from tree trimmers that gave her a new perspective about life outside of Serenity. The passages you've provided describe various characters and experiences, but none matches the specifics of the question concerning Amber and tree trimmers.
Therefore, without the context of the book or story that features Amber, it is not possible to provide an accurate response to the question.