A person who allegorizes or interprets things as allegories.
From 'allegorize' plus the suffix '-er' meaning 'one who does'. English agent noun formation from verbs, widely used since the Middle English period.
An allegorizer is kind of like an overactive symbol-finder—they look at Winnie the Pooh and insist Piglet represents capitalist greed and Eeyore embodies existential despair. Sometimes they're brilliant, sometimes they're hilarious!
Complete word intelligence in one call. Free tier — 50 lookups/day.