The protesters called the priest who was take his daughter to school a traitor, as this refers to the story of Ruby Bridges and segregation, explained below.
The priest was Abon Bridges, Ruby Bridges's father. He was called a traitor by the protesters for taking his black daughter to a Caucasian school in Louisiana, back when segregation was still allowed.
Ruby Bridges was only six years old then. She is an important name as her courage at such a young age promoted the fight for equality and rights.
Learn more about segregation here:
https://brainly.com/question/1574751
#SPJ1