A clerk required to maintain a posh stylish look to appear well educated and a man of power. In order to get well paying jobs or marry a female of noble birth. One had to "play the part." 2.) British A Cockney rhyming slang for a shark.
A pussified sissy who is easily manipulated. To recognize such a white livered creature is simple. If his pants are pulled above his waist, he's already a victim.