champion

US /ˈtʃæm.pi.ən/
UK /ˈtʃæm.pi.ən/
"champion" picture
1.

a person who has defeated all rivals in a competition or game

:
•
She is the reigning world champion in tennis.
•
The team became league champions for the first time.
:
victorwinnertitleholderconquerorhero
2.

a person who actively supports or defends a cause

:
•
She has always been a strong champion of human rights.
•
He became a champion for environmental protection.
:
advocatesupporterdefenderproponentpatron
1.

to support the cause of; defend

:
•
He decided to champion the rights of the underprivileged.
•
The organization continues to champion environmental causes.
:
advocatesupportdefendpromoteuphold