A Sardar or Sirdar is a Sherpa mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 guide

Guide

A guide is a person who leads anyone through unknown or unmapped country. This includes a guide of the real world , as well as a person who leads someone to more abstract places .-Guide - meanings related to travel and recreational pursuits:There are many variants of...

 who manages all the other Sherpas in a climbing expedition or trekking group. The Sirdar is typically the most experienced guide and can usually speak English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

 fluently. The Sirdar's responsibilities include:

• assigning responsibilities to the other guides
• hiring and paying local porters
• purchasing local food during the trek/expedition
• making the final decision regarding route choices
• handling other trip logistics such as dealing with government officials or police.

The normal progression to Sirdar usually involves starting as a porter, working their way up to being a kitchen assistant, on to an assistant guide and then finally to Sirdar. Sirdars do not normally carry loads but will do so on occasion such as carrying the pack of a client who is having difficulties from altitude sickness

Altitude sickness

Altitude sickness—also known as acute mountain sickness , altitude illness, hypobaropathy, or soroche—is a pathological effect of high altitude on humans, caused by acute exposure to low partial pressure of oxygen at high altitude...

.