Wiktionary
unshirking
a. Not shirking; attentive to one's duty.
Usage examples of "unshirking".
Dawn-to-dusk, fourteen-hour-a-day workers, unshirking and unstinting, stylish in their own New England right, whose plainest, homeliest task became a kind of ritualistic act: the quartering of an apple, the whittling of a stick, the laying of a brick.