1. left-winger - Noun
2. left-winger - Adjective
a person who belongs to the political left
Source: WordNet[Recalling Bill Clinton, a Yale University classmate:] I remember him as very gregarious, never in class, always talking to someone out in the hallway or in the dining room or something like that. I remember her (Hillary Rodham Clinton) as very rigid, unfriendly, hard-core left-winger. John R. Bolton
I was never a left-winger, actually. I was a pretend left-winger because it was more interesting than being a right-winger. Helen Mirren
Ten seconds after that Kane was popping up in an inverted left-winger role, firing a cross-shot against the lunge of Jason Denayer. Source: Internet
That made the victory of a true left-winger like Sanders or Sen. Elizabeth Warren at least plausible. Source: Internet