D. Rex
Magic Eight Ball
That's okay, cause neither do I. I have yet to model a CS yet.I honestly don't know what the cs looks like but their struggle between the dark side and light will likely lead them to use dark side abilities in order to serve the light side.
Also, you have found the right master then. As he is not against the idea of aggressive use of the light side of the force. And will do so himself. However, using the Dark Side he will not consider compatible to the Jedi Way, even in service. The path of the Grey Jedi may very well be in the future of this young padawan, should it be using boths sides that he desires.
Now that isnt to say he will reject the padawan because he is lured to the dark side, or has even brought themselves to use it. He would be a poor teacher if that was the case. He fully expects a student have internal trials. It is his job to guide them to path of the Light Side.