prəˈtektə(r) noun
( -s )
Etymology: Middle English protectour, from Middle French, from Late Latin protector, from Latin protectus (past participle of protegere to protect) + -or — more at protect
1.
a. : one that protects or shields especially from danger or harm : guardian , patron
b. : something serving or designed to protect : a device used to prevent injury : guard
the chest protector of the baseball catcher — J.H.Shaw
2. : one having the care of the kingdom (as during the king's minority) : regent