Usage examples for wader:

• The bareness of her limbs may perhaps shock our notions of propriety at first, for, being a mud- wader of necessity, like the stork and the heron, she girds her garments about her very tightly indeed; but this only sets off her wonderfully erect and athletic figure, while her well- set head looks all the nicer that it has no covering except her own neatly- bound hair. "Concerning Animals and Other Matters" – E.H. Aitken, (AKA Edward Hamilton)