As the oldest male left in the South Pole , Sokka came to assume a semi-leadership role by the time he was sixteen , fiercely protecting the village from any possible outside threats while trying to train children to be a new generation of defenders . As the oldest male left in the South Pole , Sokka came to assume a semi-leadership role by the time he was fifteen , fiercely protecting the village from any possible outside threats while trying to train children to be a new generation of defenders .