The phrase "ultimate protector" refers to something or someone that provides the highest level of protection or safeguarding.
Sentences with «ultimate protector»
They, too, have drunk in the idea that courts, particularly the Supreme Court (upon which more than a few imagine themselves someday serving), are the ultimate protectors of rights and, as such, should have the ultimate say on constitutional questions. (firstthings.com)
Reid is the ultimate protector (for lack of better expression). (sbnation.com)
The glutes are like the ultimate protector. (weckmethod.com)