What is the meaning of Champion?

An ongoing winner in a game or contest.

Someone who is chosen to represent a group of people in a contest.

Someone who fights for a cause or status.

Someone who fights on another's behalf.

A particularly notable member of a plant species, such as one of great size.

Acting as a champion; having defeated all one's competitors.

Excellent; beyond compare.

Excellent; brilliant; superb; deserving of high praise.

To promote, advocate, or act as a champion for (a cause, etc.).

To challenge.

champion

Alternative form of champioun

Source: wiktionary.org