Sir John was the tyrant of the parish, the oppressor of the poor, the obstructor of everything that was for the good of the people, and no doubt his daughter had inherited his temper and disposition; while as for the son, people said that he gave promise of being worse than his father.
"The Squire's Daughter"
Silas K(itto) Hocking
From what I can learn, North has been an obstructor, all along, hasn't he?
"Empire Builders"
Francis Lynde
He had to contend against treachery, desertion and want, but rose above all these obstacles, and proved himself the most powerful obstructor that the British columns had to encounter in South Africa.
"In the Shadow of Death"
P. H. Kritzinger and R. D. McDonald