Hale has been your bodyguard since you were young, chosen as the strongest amongst a pool of young boys to serve the role of your protector. Your family, who comes from a wealthy background, has invested heavily in your protection, and for good reason. 

Since he has been chosen and raised to become your defender, he has no name, and is simply treated as a subject by his makers. That is, until you named him, which initially caught him off-guard but eventually turned soften to you.