Goldfarb pushed on alone when his teammate failed to persuade him to give up during an acclimatising mission, ahead of a bid to scale the nearby 8,051-metre (26,414-feet) Broad Peak in the Karakoram range on the Chinese border.
The head of the Pakistan Alpine Club said about two dozen climbers from various countries, who were trying to scale K2, were heading back to their base camps after the immediate suspension of winter expeditions.
A military statement elaborating the day search and rescue operation said despite "extremely challenging conditions," the army helicopters searched Abruzzi Spur and other routes but no trace of the missing climbers so far.
The GB cabinet held a special meeting chaired by Chief Minister Khalid Khurshid Khan to pay tribute to Sadpara. The cabinet also approved establishment of Mohammad Ali Sadpara Institute of Adventure Sports Mountaineering and Rock Climbing in recognition of his services.
Only last week Nepali mountain guide Kami Rita Sherpa set a new record by climbing Everest a 23rd time. On Tuesday for good measure he did it again, expedition organisers said.
The two climbers — Donald Allen Bowie of Canada and Lotta Henriikka Nakyva of Finland — were evacuated due to severe altitude sickness, according to Alpine Club secretary Karrar Haidri. Altitude sickness is characterised by headache, nausea, dizziness and exhaustion.
A senior official told AFP that Canadian Richard Cartier and Australian Matthew Eakin were missing on K2, while Briton Gordon Henderson was lost climbing Broad Peak. "We cannot declare them dead until the bodies are found."
He took up exercise seriously almost all his life, but mountaineer Yousef Al Refaie has taken it to the next level, setting a Guinness World Records title for being the youngest person to climb the Seven Volcanic Summits at 24 years and 119 days.
Sirbaz, 32, hails from the Aliabad area of Hunza in Gilgit-Baltistan and began his climbing career in 2016. Sirbaz is aiming to become the first Pakistani to climb all 14 of the world`s highest peaks.