champion

"Our team worked hard to defeat our competitors in the soccer tournament. "

"One child stood as king of the hill, and tried to withstand the pushes and shoves of his challengers."

"During our family trip to the amusement park, my sister was excited to ride the rollercoaster. "

"The student's excellent performance on the math test showed they had surpassed their previous scores. "

"The analysis of "He is a doctor" showed that "a doctor" functions as the predicative, renaming the subject "he." "

"The goalie is defending the net from the opposing team's shots. "

"He was the undefeated tiddlywinks champion of the school."

"The painting represents the artist's vision of a peaceful countryside. "

"The teacher threw a challenge to the students: "Who can solve this difficult math problem?" "

"The defending champion is expected to defeat his challenger."

"The jeweler carefully examined the brilliant, admiring its dazzling sparkle. "

"the performance of an undertaking or a duty"