goldbrick

a soldier who performs his duties without proper care or effort

an idle worthless person

a brick-shaped block that looks like gold but is not

anything that is supposed to be valuable but turns out to be worthless

deprive of by deceit; "He swindled me out of my inheritance"; "She defrauded the customers who trusted her"; "the cashier gypped me when he gave me too little change"

avoid (one's assigned duties); "The derelict soldier shirked his duties"