Liberal, for example

• Radical
• Liberal one
• Hockey player's position, perhaps
• Certain hockey player

Wiktionary Word definitions in Wiktionary
n. (Sometimes pejorative) A person who is radically liberal politically; one whose political viewpoint is leftwing

Wikipedia Word definitions in Wikipedia
Leftwinger of left winger may refer to: Left winger , a position in football Left-Winger (comics) , a Marvel Comics character A person who holds left-wing political views