A person who advocates for or brings about change or improvement, especially in social or political contexts.

A figure who is seen as a champion of specific changes, such as economic reform or legislative reform.

सुधारक

English Usage: As a prominent reformer, she worked tirelessly to pass new laws that benefit the environment.

Hindi Usage: एक प्रमुख सुधारक के रूप में, उसने पर्यावरण को लाभ पहुँचाने वाले नए कानूनों को पारित करने के लिए tirelessly काम किया।