preserver
noun/prɪˈzɜːvə(r)/
/prɪˈzɜːrvər/
- [countable] a person who makes sure that a particular situation does not change
- The police are the preservers of law and order.
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- [countable, uncountable] a substance used to prevent wood from decaying (= being destroyed by natural processes) see also life preserver
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