Editing Yesaul (section)

==Cossack Hetmanate and Sloboda Ukraine ==
In Ukraine of the 17th and 18th centuries, an osaul was a military and administrative official performing the duties of [[aide-de-camp]].<ref>[http://www.encyclopediaofukraine.com/display.asp?linkpath=pages\O\S\Osaul.htm Encyclopedia of Ukraine] {{in lang|en}}</ref> The head of state, hetman, would appoint up to two osauls known as a General Osaul. There also was a Regimental Osaul as well as Company Osaul, with each regular cossack regiment and company except artillery having two of each. Beside them there were osauls under special assignments, one of them serving for General Obozny (quartermaster) who performed duties of a chief executive and was the second in importance after the Hetman.

===General Osaul===
A senior officer of a Hetmanate cossack army who was a member of the general officer staff.
;Duties
*supervising army's condition
*leading large detachments (wartime)
*managing muster rolls
*directing the army engineers
*commanding mercenary troops
*sometimes serving as an acting hetman

Other duties consisted of being a hetman's envoy, supervised matters of internal security, conducted annual regimental musters and inspections. Among the notorious osauls were [[Petro Doroshenko]], [[Demian Mnohohrishny]], [[Ivan Mazepa]], and [[Ivan Skoropadsky]].

From 1798 to 1800 after the liquidation of the [[Zaporizhian Host]], the rank of osaul was equated with the ranks of [[rittmeister]] in [[cavalry]] and [[Captain (OF-2)|captain]] in [[infantry]].

===Regimental Osavul===
Regimental Osavul ({{langx|uk|Полковий осавул}}) is an assistant Colonel in Military Affairs.

===Sotenny Osavul===
Sotenny Osavul ({{langx|uk|Сотенний осавул}}) is an assistant [[sotnik]] in Military Affairs.