Apprehender

n.

1.

One who apprehends.

Noun	1.	apprehender - a person who knows or apprehends Synonyms: knower
	2.	apprehender - a person who seizes or arrests (especially a person who seizes or arrests in the name of justice)

apprehend, compass, comprehend, dig, get the picture, grasp, human, individual, knower, mortal, person, quail at, savvy, somebody, someone, soul