Left wing and Left-winger

Left wing noun - A political belief stressing progress, the essential goodness of humankind, and individual freedom.

Left-winger and left wing are semantically related. in person or group favoring change topic. In some cases you can use "Left-winger" instead a noun phrase "Left wing".

Left-winger noun - A person who belongs to the political left.

Left wing and left-winger are semantically related. Sometimes you can replace phrase "Left wing" with "Left-winger", this phrases are similar.