Sentence:  As a voter, I'm a <WSD>maverick</WSD>, don't belong to any party. I believe that John Doe is the best available man for county commissioner, Richard Roe for sheriff, Joe Hicks for governor—but John is a Democrat, Dick is a Republican, and Joe is—well, something else. 
Meaning of the word marked with <WSD> tags:  One who is unconventional or does not abide by rules. (from 1880s)