Boy Scout

noun

1. A male member of the Scout Movement.
2. A man adhering to the values of honesty and idealism, and possibly somewhat naive or unworldly.

   “An independently rich 52-year-old, he is very much a political boy scout, and has flailed the state Republican party as a cloistered "country club".”

   “But the bottom line is that Simon is running for president as the boy scout who adheres to traditional liberal policies and solutions.”