PhD isn't about studying and being at school, it involves mostly independent work and it's an introduction to being a researcher (like a supervised first job in that area). Master's is more school-like.
MBA isn't really math loaded. Compared to engineering or economics, it's barely a class or two and much more descriptive. Other ideas that come to my mind are creative writing, marketing, managemanet. (Sorry if they are bad, I'm not all that knowledgeable about the humanities)
You can also always try to get a second undergraduate degree as well (you can try to transfer some classes if possible), if pursuing your dreams about journallism requires it.