Jesper

 was a brilliant tracker according to his mistress Inger. He hunted Snow Beasts on Isenfel. On one such hunt he met with the Fifth Doctor, Nyssa, Tegan Jovanka and Vislor Turlough and saved them from the beasts. He kept a set of children under the palace, so there family wouldn't be culled. He helped Tegan to deliver the children back to their parents. (AUDIO: Equilibrium)