Emissary
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( a.) Applied to the veins which pass out of the cranium through apertures in its walls.
(2): ( n.) An agent employed to advance, in a covert manner, the interests of his employers; one sent out by any power that is at war with another, to create dissatisfaction among the people of the latter.
(3): ( a.) Exploring; spying.