the mind > mental capacity > knowledge > secrecy, concealment > stealthy action, stealth > lurking, skulking > [noun] > one who lurks (5)
One who skulks or hides himself; a shirker.
One who lurks or lies concealed: frequently employed as a term of abuse in early quots. literal and figurative.
One who skulks, in various senses. †Also as a name for the hare.