The man in the following photos is Khan Bahadur Muhammad Akbar Khan Orakzai, jagirdar of Bhana Mari (a suburb of Peshawar city). He was assistant Political officer of Khyber from 1879 to 1896. He belonged to Kamal Khel sub-section of Abdul Aziz Khel Orakzais.

Reference: "History of the Pathans" by Haroon Rashid, Volume-4, p-120

Khan Bahadur Muhammad Akbar Khan Orakzai
Source
Group of Pashtun darbaris
Group of Pashtun darbaris in Lahore, December 1880
Group of Pashtun darbaris in Lahore, December 1880. Akbar Khan Orakzai is sitting on chair on extreme right. Source
Orakzai chieftain, 1890
An Orakzai chieftain, 1890 (c). From "The tribes on our frontier" series of photos by Bourne & Shepherd. Source
Orakzai chief and his followers, 1890
An Orakzai chief and his followers, 1890 (c). Source
Orakzai chief or darbaris
Orakzai chief or darbaris
A 1905 postcard depicting Akbar Khan and his men, captioned as "Our restless neighbours, the Pathans". Source