treason

"Her confidence in her ability to speak French helped her to participate more in class discussions. "

"My brother is a soldier in the army. "

"The student's betrayal of his study group cost them the entire project. "

"It is difficult to provide for my family working on minimum wage."

"an officer betrayed the city"

"Consider that we’ve had three major events and the year has hardly begun."

"His treachery was evident when he leaked the team's secret strategy to the opposing team. "

"The children are sharing their toys. "

"He is a student of life."

"The information about the project deadline resolved my uncertainty; now I know what needs to be completed. "

"The country surrounding our small village is mostly farmland. "

"My classmates and I are working on a group project for science. "