Ask a guard where the guild vendors are, and it's one of the NPCs. It should be a white dialogue bubble then you get your tabard put in your bags. One in SW and Org.
Are you asking if Kale has ever completed a BG or whether I always left BGs? You can see the stats yourself on armory. If you're asking about my playstyle, I did stick around more at the start of F2P, but I soon found that was a waste of time. Not sure why you're posting this here.