[quote=@Zhaeth]When it comes to military matters on the other hand, despite being young and rowdy he's a noble that's been military trained so he knows basic soldiering and chain of command etc.[/quote]
All nobility are trained in martial arts; the use of melee weapons, combat techniques, maneuvering formations, siege craft and leadership. Peasants receive no training unless their lords trained them. Historically, this is why military leadership generally came from the nobility class. With the introduction of the Business Class in Great Britain during Queen Elizabeth I's reign, the business class acquired the opportunity to purchase a commission. It wasn't until the nations of the world amended their way of thinking allowing anyone with a college degree to be commissioned as an officer. Having a college degree assumes the officer candidate possesses a higher academic capacity, but there is no guarantee of that opinion. 

As an example, I was commissioned a 2nd Lieutenant, Infantry in 1987 after completing Officer's Candidate School (OCS). I also had an Associate's Degree or 2-year college degree. A soldier needs at least one year time in service prior to attending OCS. At that time, I had five years Time in Service (TIS). US Army regulations states an officer must have a bachelor's degree prior to being promoted to Captain. I received the Bachelor's degree in 1990 and was promoted to Captain in 1994. 

In midievel times, an experienced member of the nobility class conducted the training. It could have been the head of house or a Man-at-arms who had attained a reputation as a skilled warrior. Nations that employed Men-at-arms were considered wealthy. They were the only permanent military found on the European battlefield of the time. They were a rarity. Most armies used peasant levies and Mercenaries (Sellswords).