首倡者

例句：

1. 1. The leader of the new policy is a man who has been an active proponent of the change.
   新政策的领导者是一位积极倡导变革的人。
2. 2. He was a prominent advocate for environmental conservation.
   他是一位著名的环保倡导者。
3. 3. The company's founder is often referred to as the pioneering proponent of the new technology.
   该公司的创始人常被称为新技术的先驱倡导者。