Final answer:
Without the explicit context or identification of the four stewardship principles mentioned by the authors, it is not possible to determine with certainty which one is not part of those principles. The concept of stewardship usually involves principles like care for resources, equity, responsible management, and sustainability, but it varies by field and context.
Step-by-step explanation:
The question references the stewardship perspective, which is typically a concept related to environmental ethics or social responsibility. It is not apparent from the provided information which four principles are considered the basis of the stewardship perspective, making it challenging to accurately pinpoint which one is not among them. Typically, stewardship principles involve caring for resources, intergenerational equity, responsible management, and sustainability. It is crucial to cross-reference the material in question with the relevant literature or course content to identify the precise principles outlined and determine which is not included.
It's important to note that if this question pertains to a different context of stewardship, such as digital or financial, the underlying principles might differ. Without more context-specific information, one cannot provide an exact answer to which principle is not part of the four foundational stewardship principles.