FLAGSTAFF, Ariz.-Vanguard University student body president Matthew J. Holgate is a visionary leader. While many students are just trying to navigate their way through classes, Holgate is taking a lead in fighting against human trafficking in Navajo Nation, working to make lasting change.

While a senior in high school, Holgate attended a Native American youth leadership conference workshop about human trafficking among Native American tribes. Holgate, a Navajo from Flagstaff, Arizona, sat stunned as he listened to the lecturer talk about cases such as grandparents who exploited their grandd...