Just started playing, any tips? I have a lvl 3 Human Elementalist
Get used to dying a lot in the beginning, at least until you get used to playing an Ele
I'm not saying this to discourage you

- despite the amount of moaning I especially do, the Elementalist is an awesome class to play with, but it's extremely challenging to play it effectively - put aside all thoughts of being someone who stands at a distance and lays down high volumes of death and stays safe.
My initial tips would be, get used to playing dagger/dagger, get used to moving around a lot and learn how to dodge effectively - given the fact that Elementalists are cloth-wearers and also have the lowest base health-pool, that is your ticket to staying alive. A staff elementalist is playable, but personally I reserve my staff for when I'm running with a crowd of other players - it's great for laying down combo fields and adding some healing support. It's not so great for taking on veterans in solo play.
The thing is that you will need to figure out what suits your playstyle best - you'll get conflicting advice from different players of the class. Myself, I favour using condition damage (burning, bleeding) to wear my enemy down - and I tend to play with a scepter/dagger build most of the time, but I use dagger/dagger as well. I almost never use my staff except when I'm taking on champions/bosses with a group of other players.
Other players will tell you to focus on power, which also works, but Eles aren't big on burst damage.
The best bit of advice I could give you is to hook up with someone in-game who can explain the ins and outs to you, and if they have experience playing an ele that would be a double bonus.