Muzaffar ul-Mulk was born on 6 October 1901. He was the second son of Mehtar Sir Shuja ul-Mulk. He was given over for foster care at a young age and spent the early part of his childhood at his foster home. He received education from Islamia College Peshawar, ultimately ending up with an F.A. During the Anglo-Afghan War of 1919 he served with the Chitral State Bodyguards under the command of his brother Nasir ul-Mulk, in fending off the Afghan attack. In 1924 he returned to Chitral and became the Chief Secretary to his father Mehtar Shuja ul-Mulk. In 1930 he became the administrator of Torkhow region in Chitral. The designation was formally termed the Governor of Torkhow. In 1939 he accompanied Nasir ul-Mulk on pilgrimage to Mecca. Meanwhile Muzaffar was to retain his administrative post until his unforeseen accession as Mehtar in 1943.