excellent:‘Thank ye, lad,’ the farmer said. ‘That’s champion.’
1a person who has surpassed all rivals in a sporting contest or other competition: [as modifier]:a champion hurdler
2a person who vigorously supports or defends a person or cause:he became the determined champion of a free press historical a knight who fought in single combat on behalf of the monarch.
vigorously support or defend the cause of:he championed the rights of the working class and the poor