A "proponent" is a person or group that supports a particular idea, plan, or proposal. They advocate for their beliefs and work to persuade others to accept their viewpoint. Proponents often present arguments, evidence, and examples to strengthen their case, whether in discussions, debates, or public forums. In various contexts, such as politics, science, or social issues, proponents play a crucial role in shaping opinions and driving change. For instance, a proponent of renewable energy, like solar power, may promote its benefits to encourage adoption and reduce reliance on fossil fuels.