Sabito

Sabito , in his past his family was eaten by so he got a scar from that and he was Saved by urokodaki , so urokodaki trainined him to become a demon slayer , then urokodaki also saved Giyu and Sabito and Giyu became best friends. Then when final selection came Sabito and giyu had to fight demon to test if they are Worthy enough of becoming demon slayers, but Sabito died in the final selection , and he met Makomo another one of urokodaki's students who died during final selection, so sabito and Makomo helped train Tanjiro , so tanjiro passed the final selection and became a demon slayer(you're anything you want, ✨you start✨(