Fugleman properly a military

Military

A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

 term for a soldier

Soldier

A soldier is a member of the land component of national armed forces; whereas a soldier hired for service in a foreign army would be termed a mercenary...

 who is selected to act as guide, and posted generally on the flank

Flanking maneuver

In military tactics, a flanking maneuver, also called a flank attack, is an attack on the sides of an opposing force. If a flanking maneuver succeeds, the opposing force would be surrounded from two or more directions, which significantly reduces the maneuverability of the outflanked force and its...

s with the duty of directing the march in the required line, or of giving the time, etc., to the remainder of the unit, which conforms to his movements, in. any military exercise. The word is then applied to a ringleader

Leadership

Leadership has been described as the “process of social influence in which one person can enlist the aid and support of others in the accomplishment of a common task". Other in-depth definitions of leadership have also emerged.-Theories:...

or one who takes the lead in any movement or concerted movement.

Fugalman is an alternative, archaic and potentially regional spelling variant used in Australia in the early 19th century