"Let me be your shield."
Also: Paladin, Soldier, Yōjinbō
Proud and selfless, Guardians are individuals who know the value of life... and are willing to sacrifice themselves for a person, nation or ideal they have sworn to protect. They are often extraordinary and impressive individuals, such as valiant soldiers or veterans scarred by a thousand battles.
While some Guardians may appear loud and boisterous, many are simply masking the tormented memory of those they failed to protect.