protector

IPA: prʌtˈɛktɝ

Someone who protects or guards, by assignment or on their own initiative.
A device or mechanism which is designed to protect.
One who prevents interference.
A state or other subject under international law, exercising a protectorate over another subject in international law.
(UK, historical) One having the care of the kingdom during the king's minority; a regent.
(Roman Catholicism) A cardinal, from one of the more considerable Roman Catholic nations, who looks after the interests of his people at Rome; also, a cardinal who has the same relation to a college, religious order, etc.

Examples of "protector" in Sentences

“Here, if your pocket protector is mauve you are cool.”
The theory behind a surge protector is to keep everything at more or less the same potential.
Their lone protector is a fiercely libertarian logger, once a river driver, who befriends them.
To rig for a single-line pull, remove the nylon tree strap protector from the winch accessory package.
Gabriel and his Harlequin protector, Maya, immediately mobilize to escape New York and find the long-lost Traveler.
That the protector is a female terminator is a masterstroke, but it's Sarah Connor's character that really pushes the envelope.
Also I suspect the desire for some kind of benevolent guardian or protector is a variable human characteristic, which I apparently lack.
After going through a rough stretch late in the season in which it gave up seven sacks in two games, the league's best quarterback protector is back on its game.
There are other missteps, like the hilarious CGI werewolf-conference that made me feel like I was on peyote, or the handling of Jacob falling in love with an infant child, still creepy despite Condon's focus on Renesmee all grown up and trying to distract us with the word "protector."