Fawn is a wildling who lives in the far north beyond the wall, alone. She prefers patience in her hunting rather than an active approach, and will often find herself motionless for many, many hours.
Hunger has been the prevailing factor in her life that has dictated where she's been and who she's with. Growing up, she lived with other free folk as a child who could barely walk with her her clumsy, scrawny legs. As time went on, however, hunger had gotten the better of them and many fled elsewhere or died.
Fawn would need to hunt on her own from that point on, and she adapted more and more to the loneliness as she grew.