Rupert is an individual who believes in contributing to the community by using eco-friendly products. In the context of universal ethical standards, Rupert most likely possesses the core value of .

Citizenship.

Explanation:

A citizen can be defined as a term used to describe or qualify a person who is legally recognized by the law (constitution) to be a member of a particular country either by birth or naturalization.

Based on the Corporate Code of Ethics, the six(6) universal ethical standards are;

I. Respect.

II. Fairness.

III. Responsibility.

IV. Caring.

V. Trustworthiness.

VI. Citizenship.

In this scenario, Rupert is an individual who believes in contributing to the community by using eco-friendly products. In the context of universal ethical standards, Rupert most likely possesses the core value of citizenship because he is acting in a manner that conserves the atmospheric and biological nature of his country. As a patriotic citizen, he is not polluting the environment.