IPA: /ˈʃʌɡərər/
KK: /ˈʃʊɡərər/
A person or company that adds sugar to food or produces sugar products.
The sugarer at the factory ensures that all the products are sweetened properly.
Sugarer → The word is formed from "sugar" (from Old French *sucre*, meaning a sweet substance) and "-er" (meaning a person who). A sugarer is a person who deals with or produces sugar.
Think of someone who works with a sweet substance ('sugar') — the '-er' indicates that this person is involved in that activity.