IPA: /bɪˈfaʊlər/
KK: /bɪˈfaʊlər/
A person who makes something dirty or polluted.
The befouler left trash all over the park, ruining its beauty.
Befouler → It is formed from the prefix "be-" (meaning to make or cause to be) and the root "foul" (from Old French *fouler*, meaning to make dirty or to soil). The word "befouler" means to make something dirty or to soil it.
Think of 'making' something 'dirty' — 'be-' means to make, and 'foul' means dirty.