"preserver" in the noun sense
1. refinisher, renovator, restorer, preserver
a skilled worker who is employed to restore or refinish buildings or antique furniture
2. preserver
a cook who preserves fruits or meat
3. preserver
someone who keeps safe from harm or danger
4. life preserver, preserver, flotation device
rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
Source: WordNet® (An amazing lexical database of English)
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