The chosen men of BG3

In the Sharpe TV Movies Chosen men is used to denote a special unit within the company, where all the Riflemen are Chosen Men, giving Sharpe a group of comrades with which he can form a stronger bond than is the norm between officers and the army's lowest ranks.

Chosen Men were the Napoleonic eras equivalent of todays Lance Corporal. Whilst one step below the NCO ranks, the Chosen Man was selected from the ranks to lead a sub-unit of the Company, often for their intelligence and ability. The rank was unofficial insomuch as it was used only within the Company, with Commanding Officers able to promote and demote at will those who were chosen to wear the single white armband which denoted Chosen Men. Thy were usually spared ordinary duties, and often went on to become NCOs.

Sharpe - The series[www.sharpefilm.com]
Sharpe - To the 95th Rifles
Battle Grounds 2 Line Battle 'Battle of strangeways' Hill defence - Check out the youtube profile also.