To promote, advocate, or act as a champion for (a cause, etc.).
Someone who fights for a cause or status.
An ongoing winner in a game or contest.
Someone who fights on another's behalf.
A particularly notable member of a plant species, such as one of great size.
Someone who is chosen to represent a group of people in a contest.
Acting as a champion; having defeated all one's competitors.
Excellent; brilliant; superb; deserving of high praise.
Excellent; beyond compare.
To be a sponsor for.
A person or organisation with some sort of responsibility for another person or organisation, especially where the responsibility has a religious, legal, or financial aspect.
One that pays all or part of the cost of an event, a publication, or a media program, usually in exchange for advertising time.
A senior member of a twelve step or similar program assigned to a guide a new initiate and form a partnership with him.