Right I'll just go ahead and explain how I would make a Mount and Blade style server.
There's a whole map split up into different areas like snowy/desert/flatlands/hills. It'll all be made out of mod terrain. The towns will also be made from Mod Terrain.
There will be 6 teams, each team has a different colour horse.
You spawn in a random town. You cannot leave the town until someone has come to find you, although you can test out weapons in the armoury in the town (each town will have an armoury) There will be 6 leaders. (with a /becomeleader command) if there is maximum number of leaders, you cannot become a leader but a soldier in someone's warband.
The leaders must then roam the land, and visit towns to find people to recruit. Each town will also have a store where you can buy weapons (use deadzone's weapon pack or something like it).
When visiting a town you get to the gate, activate it and a small promt comes up and asks if you'd like to either visit the store with your warband or recruit peasants.
If you select peasents, all the people in that town will get a chat message saying "PlayerName is looking for more warriors to join their warband! /accept to join them!"
If the player says /accept, they will then be recruited into the warband, and will be given a starting dagger, a few coins and a perma horse with the colour of the nation.
The warband then walks around the map, attacking other warbands and visiting towns to recruit townsmen / to buy weapons.
That's my idea that I've quickly thought of. I'm sure it wouldn't be TOO hard to script. If anyone wants to take on my idea, let me know, I could help you out with ideas/building.