Examples from the Web for duty-bound
That we know Earp not as a confidence man but as a duty-bound law officer was his most enduring and successful confidence game.The Wyatt Earp Myth: America’s Most Famous Vigilante Wasn’t|Andrew C. Isenberg|July 21, 2013|DAILY BEAST
He was duty-bound, he said, to follow the gospel of helping the least among them.
The Starks are fatalistic, duty-bound, honorable but kind of unsophisticated.
He preaches his message with characteristic urgency, casting himself as a duty-bound martyr.
Old Marster fooled us to believe we was duty-bound to stay with him till we was all twenty-one.Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves|Work Projects Administration
As a rule, parents think themselves in duty-bound to take their boys to the seaside for these holidays.John Bull, Junior|Max O'Rell
But to everything Pan Stanislav answered: “A fish, a duty-bound fish.”Children of the Soil|Henryk Sienkiewicz