Simplify the following text for a Grade 9 native English-speaking person.
Original: A member of the movement is known as a pioneer , and a scarfâ '' typically red , but sometimes light blueâ '' is the traditional item of clothing worn by a pioneer .
Simplified: A member of the movement is known as a pioneer , and a scarf -- typically red , but sometimes light blue -- is the traditional item of clothing worn by a pioneer .