Which of the following is not a rung on the Forrester Engagement Ladder?

The Forrester Engagement Ladder is a framework designed to categorize users based on their level of engagement with content or a brand. It includes various rungs that represent different stages of engagement, such as those who are purely observers to those who are actively involved in interaction and contribution.

The rungs listed in the ladder include "Spectators," who are essentially passive consumers of content, "Collectors," who actively gather content and curate their experiences, and "Inactives," representing individuals who do not engage at all. "Mentors," however, do not appear in the established stages of the Forrester Engagement Ladder. While they may play an important role in other contexts, such as guiding or supporting others in their engagement processes, they do not fit within the specific framework laid out by Forrester for measuring user engagement levels.

Thus, the correct answer is accurately identified as “Mentors” since they are not a defined rung in this engagement model, differentiating them from the other options that are integral parts of the ladder.