护国公；守护神

Protector \Pro*tect"or\, n. [L.: cf. F. protecteur.]
1. One who, or that which, defends or shields from injury,
evil, oppression, etc.; a defender; a guardian; a patron.

For the world's protector shall be known. --Waller.

2. (Eng. Hist.) One having the care of the kingdom during the
king's minority; a regent.

Is it concluded he shall be protector ! --Shak.

3. (R. C. Ch.) 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.

{Lord Protector} (Eng. Hist.), the title of Oliver Cromwell
as supreme governor of the British Commonwealth
(1653-1658).