The term 'white-feathered wader' can be solved by the word 'EGRET', which is a 5 letter word. An EGRET is a type of wading bird that is characterized by its white feathers. Egrets are found in many parts of the world, including North and South America, Europe, Africa, and Asia. They typically inhabit wetlands, marshes, and other areas with shallow water. Egrets feed on small fish, frogs, and other aquatic animals.