1、She is a true changemaker, always striving for positive change in her community.
她是一个真正的改革者，总是努力为她的社区争取积极的变革。

2、The organization aims to empower young people to become changemakers and make a difference in the world.
该组织旨在赋予年轻人权力，成为改革者，并在世界上产生影响。