What is mance rayder?

Mance Rayder is a fictional character in George R.R. Martin's A Song of Ice and Fire book series and the television series Game of Thrones. He is a former member of the Night's Watch who abandoned his post and became the King-Beyond-the-Wall, leading the wildlings in their efforts to invade the Seven Kingdoms south of the Wall. Mance is described as a charismatic and intelligent leader who is well-versed in the history and cultures of Westeros. He wears a signature cloak made of black wool and red silk, with a facade of silver-clasped ice. Despite being a deserter of the Night's Watch, Mance is admired and respected by many other characters in the series, including Jon Snow. He is portrayed in the television series by actor Ciarán Hinds.