Change Agent
Noun · Hacker Culture
Definitions
A person who actively helps drive or support organizational change, whether by persuasion, process design, training, or example. In workplace culture the term can sound inspirational or corporate depending on how real the change effort is.
In plain English: Someone who helps push and support change in an organization.
Example: "The most effective change agent in the rollout was not the loudest manager but the staff engineer who made the new process genuinely easier to follow."