An overall way to see a person as an artist is to look at the approach they take in doing what they do. Are they dedicated to having what they do be the best it can be? Are they locked into just doing it one way to arrive at a result or can they adapt on the fly, go with the flow and still create that thing that will have people smile or at the very least be effected (good or bad) by what they've accomplished? These are the hallmarks of an Artist my friend.
Also know that being an artist won't necessarily make us a good person. Sometimes artists are jerks too. We're human and subject to all the mandates of the human condition. Sometimes even more so as our intensity of purpose can often overshadow our humanity. Art is ofttimes not just what we do but what we have to become to accomplish what we NEED to do. We are the bow and the arrow and as such a piece of us always goes with, and is forever a part of, the work we complete.