Slytherin System:
There are five major positions in the Slytherin hierarchy created by Salazar Slytherin himself:
(in order of rank)
Head of Slytherin House.
Acting Prince/Princess of Slytherin.
Advisor to Acting Prince/Princess.
Knights of Slytherin.
Soldiers of Slytherin.
The Head of Slytherin House:
Severus Snape is the Head of Slytherin House and the Potions Professor at Hogwarts. It is his job to look after all the students of Slytherin, make sure they are protected and safe, and learning to full potential. Because of the grief his students receive from the other Houses, he doesn't like to take points from his house. Instead at the end of the day he will talk to the Acting Prince/Princess and the Knight of the offender's year and together decide a punishment that fits the crime. He also help maintain the order of ranks in the students and ensure they stand united against the rest of the school.
Acting Prince/Princess of Slytherin:
The Acting Prince/Princess is usually a Slytherin student of sixth or seventh year; but Tom Riddle claimed the title the youngest in the beginning of his fourth year. They have a number of duties; they will help their head of house with marking homework and tutoring if needed.
They will supply the house with rules to follow that are for only them and not from the school rules. They will help with deciding punishments and running detentions if needed. Although if it is one of their rules broken instead of school rules, then they alone decide and deliver the punishment.
They also help the Head-boy/girl and prefects with showing the first years around, and adjusting to Hogwarts.
Their main role is keeping the students in line outside of the common room and maintaining the united front.
Advisor to Acting Prince/Princess of Slytherin:
The Advisor doesn't have any power over anyone like The Prince/Princess or Knights. Their main purpose is in the title, they assist and advise the Acting Prince/Princess when needed. But they can also act as a messenger between the Head of House, Acting Prince/Princess and Knights.
They always start as the person who came second in the duel for Acting Prince/Princess BUT the Acting Prince/Princess has the right to declare them unfit after two months, this usually only happens if the Advisor is sour about losing and isn't actually helping, or it is known someone else would be better for the job.
Knights of Slytherin:
There will always be seven Knight's at one time, one for each year group in Hogwarts. Each Knight is chosen in their first year, (although they can be challenged at any point to a duel, the winner will take the Knight title)
The Knights have their own system inside themselves. The seventh year Knight has the most power out of the Knights and the first year has the least.
Each Knight has leadership and power of their year group, the year groups below them and the Knights below them. But all Knights are treated with the same respect by ALL Soldiers, despite differences in ages. (so a sixth year would have to show a third year Knight the same respect as the sixth year Knight. But a third year Knight couldn't boss them around or give them punishments)
They don't have named advisors like their Acting Prince/Princess, but it is common for their best friend to talk to them and offer advice should they need it.
Each Knight is responsible for their year group, if someone is behaving in a way that insults Slytherin and/or the Acting Prince/Princesses rules and the Knight of their year doesn't do anything then they will be stripped of their title and be punished with the offender by the Acting Prince/Princess.
Their main job is to help their year group appear united at all times outside of the common room. But they are also expected to keep an eye out for bullying or struggling with school work within their year and below.
Soldiers of Slytherin:
The students of Slytherin House are called 'Soldiers' unless they gain a title from above. Even prefects, and head-boy/girl are only soldiers if they don't retain a title as well. They are at the lowest point in the Slytherin hierarchy, BUT this does NOT mean that they are unimportant or treated without respect. They look out for each other and provide support to everyone in their house. They report back to the Knights, Advisor and Acting Prince/Princess of things that are ongoing in their house and outside of it.
Hope this clears up any confusion… if not then leave a review of the question you want answered that I didn't cover and I will answer =)
See you guys next chapter!