pro·tec·tor /prəˈtɛktɚ/
 保護者,保護物,保護裝置
 Pro·tect·or n.
 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).
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 protector
      n : a person who cares for persons or property [syn: defender,
           guardian, shielder]