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Muhammad Khan Zaman Khan K.C.I.E ( or correctly , Nawab Khan-i-zaman Khan , son of Nawab Muhammad Akram Khan , helped the British in carrying out several of the later Black Mountain ( Kala Dhaka/Tor Ghar ) expeditions
 Muhammad Khan Zaman Khan, Khan, Muhammad, Khan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Muhammad Khan Zaman Khan, Khan, Muhammad, Khan