eradicator
era·di·ca·tor
noun
1.
someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
Origin
From eradicate + -or.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.