So its look like for me as beginner: The pk players not really punished since everywhere outside citys they show like blue. You dont know they murders so they have the opportunity for initiative. They not punished because the most content in this game is outside of citys. The rare books outside of guarded citys. The best metals and mostly everything in the world outside guarded towns. Don't get me wrong i like the pvp. But this current system its look like garbage to me. So at my current knowledge:
As Pk player: the only punishment they cant enter guarded towns.
As non pk player: you cant live outside town because you instantly KOS-ed by red players. (mostly veteran zergs)
So you will get punished anyway doesnt matter how you play what you play at current state.
i just wonder how can i adapt to it as new mortal player.
PK players either have to limit their PK activities in some degree (like not killing people near some cities or kill just a few people a day) or they have to live in red cities, which are not really suited for that unless you are in a strong guild that has the presence there or are sneaky and patient. So it is the other way around: PK like all the other players need the cities but can't enter them, while everybody else can roam the world as they see fit.
Rare books are scattered in different places, some are in guarded cities, like Meduli with heavy armor, poleaxes, steel lore, etc. On other hand, some books are indeed far out in the wild (animal lore and beast stuff in jungle camp).
Most materials can be found near some guarded city. Outside, but not particularly far. Exception is a bunch of ores that are near Gaul Kor, but do you really need them? Steel can be made from materials near guarded cities.
How does one travel the world to distant places and not die. Well, you get a horse and ride while constantly looking all around you, and if you see someone on a horse, you ride away from them, keeping distance and not allowing them to close it. If they chase you, they are probably PK and you should just turn around and ride away. Most of the time they will be not PK and ignore you. If you want to be particularly safe, avoid riding through chokepoints and places with bad visibility so that you are not ambushed. But ambushes are very rare, most of the world is empty.
If you want to be able to defend yourself, you can attack first. You will not lose reputation or get murdercounts (this is what defines PK) if you do not kill them. And you often do not need to. Target their horse, if you are on your horse and their horse is dead, you can easily escape. You can also target them directly, just do not finish them off and leave them in the mercy mode. Of course, you will get a criminal flag (grey) for a couple of minutes if you attack first, so stay away from guards and other blue players for that time.
So, I don't see any problem for a non-PK player to travel the world and do whatever they want.