The term 'Indian Tribesmen' can be summarized by the crossword solution 'Lashkar', which is a seven-letter word. Lashkar is an Urdu word meaning 'ARMY' or 'FORCE'. It is commonly used to refer to the military forces of Indian tribes, particularly in the northern regions of India. The term is also used to refer to the traditional tribal councils that are responsible for making decisions on behalf of the tribe.