Who is Lieutenant Colonel Madan K.C. from Left for Dead: My Journey Home from Everest and what is their importance?

Lieutenant Colonel Madan K.C. is the forty-two-year-old who risked his own life to rescue Beck in a flight that no-one would dare attempt. He is part of the warrior caste in Nepal and felt that he had a brave heart, but was looking for a chance to prove it in a challenge. This was his chance.