Go to Viridis and gather some healing herbs from the fields, try to play nice, we don't want to start any conflict... for the time being.
Kavus is having trouble finding the feverfew, so he's looking for someone to help him. Unfortunately, he's put so much effort into looking big and scary (and killing things, and making sure everyone knows about the things he's killed) that when he needs to ask an innocent, non-big-and-scary question, the nice people of Viridis tend to run away.
Oh man, my advice is usually pretty bad! I guess just keep drawing all the time, and practice drawing from life if you can? (That last part helped me a ton!)
Well, that's just a matter of getting used to the tools! I spent a lot of time scouring DA for tutorials--I still do, actually. XD It took me a lonnnng time to figure out how to use Photoshop properly, and I'm still learning at it.