1) If there is a guard tower nearby (less than 20 tiles) you can target an attacking mob (right click / Attack / Target) and type "help" in local chat, and the guards (who were probably standing around laughing at your incompetence in combat) will come running to your assistance. They'll even let you loot the corpse. Isn't that special? If it's on a hill, the 20 tile range may be extended.
2) Deeded lands are great places to drag aggro trains to. Especially if no players are there. The Spirit Templars are great at disposing of them. But be aware that some deeds don't have guards or guards that are told not to attack agressive animals at all.
3) Always carry water with you. Yeah, I know, you are a noob and you don't have a jar or waterskin. Do your best to stay hydrated.
5) Watch your stamina. Low stamina will get you killed even if you are an experienced fighter. Hard to run when you are too tired from climbing that hill or mountain, or from swimming too far.
== Backpack ==