IPA: /ɪnˈsnɛrər/
KK: /ɪnˈsnɛrər/
A person who traps or catches someone or something, often by deceit or trickery.
The ensnarer set a clever trap to catch the unsuspecting animal.
Ensnarer → It is formed from "ensnare" (from Old French *ensnare*, meaning to trap) and "-er" (meaning a person who). An ensnarer is a person who traps or catches something.
Think of someone who 'traps' ('ensnare') something — the '-er' just means a person. An ensnarer is someone who traps.