From Longman Dictionary of Contemporary Englishpreservationistpres‧er‧va‧tion‧ist /ˌprezəˈveɪʃənɪst $ -zər-/ noun [countable] CHANGE/BECOME DIFFERENTsomeone who works to prevent historical places, buildings etc from being destroyed
Examples from the Corpus
preservationist• The farmer therefore accuses the preservationist of hypocrisy.• It was without precedent in the United States, which explains the difficulties encountered by the preservationists.• However, the preservationists soon appeared on the scene.• Outside, she found Edward in conversation with Peter Sidey, the leader of the preservationist element in the village.• The preservationists had been careful about nomenclature.• The preservationists, over the years, had lost ground - quite literally.• The preservationists, pinning their faith to moral superiority and persuasive argument, were beaten back every time. 