Nader's raider
/neɪdəz ˈreɪdə/Chiefly US
noun
Originally: a student intern working on the public advocacy campaigns pursued by Nader; an activist or researcher affiliated with campaigns resembling Nader's. Later in extended use: a political supporter of Ralph Nader.
Origin
1960s; earliest use found in Capital Times. From the genitive of the name of Ralph Nader + raider.