The phrase "fresh faces" means new people who have recently joined a particular group or organization, and are not yet familiar or experienced. Full definition
Instead, there were lots of fresh faces in attendance. (rollingstone.com)
Many people find that their work life doesn't allow much time for dating, or that existing circle of friends don't bring the opportunity to come into contact with fresh faces. (elitesingles.com)
This new way of voting might also make it harder for perennial nominees to fall out of the race to make room for fresh faces. (awardsdaily.com)