Ok here are the ranking you get from highest to lowest

Elf king : The king takes care of the whole kingdom makes updates when needed adds things and passes or rejects things people wish to add to the kingdom he also oraganizes events to do within the kingdom

Noble : this rank is givin straight from the king himself weather your in the army or not you always have a chance at it tho the army is your best shot at it nobles are like the kings right hand they watch over the kingdom

Captain : they Lead both soldiers and knights and are the only ones permitted to guard the king they are the highest rank military wise

knight :normaly used as guards for things soldiers simply cant do such as guard nobles or special palces in the kingdom

Soldier : A foot soldier of sorts they go first on the battle field and have a permit to hunt as well

peasant : can own shops and such if cleared with the Elf king to do so