[noun] [C]A protector is someone who protects someone or something.Philip II considered himself the protector of the Catholic Church.She has a reputation for being an ardent protector of individuals' liberties.A protector is also a device that protects someone.All flat jockeys are required to wear a back and chest protector.
PROTECTOR
Meaning of PROTECTOR in English
Cambridge English vocab. Кембриджский английский словарь. 2012