der Esser
eater
A person characterized by their specific eating habits.
Mein Sohn ist ein sehr wählerischer Esser und mag kaum Gemüse.
My son is a very picky eater and hardly likes any vegetables.

eater
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eater
A person characterized by their specific eating habits.
Mein Sohn ist ein sehr wählerischer Esser und mag kaum Gemüse.
My son is a very picky eater and hardly likes any vegetables.

The word 'Esser' (eater) is derived directly from the verb 'essen' (to eat). The ending '-er' is often used in German to form a masculine person from a verb who performs that activity.
Wer viel Sport treibt, ist oft auch ein guter Esser.
Someone who does a lot of sports is often also a good eater.
In the meaning 'Person mit Essgewohnheiten' (person with eating habits), 'Esser' (eater) is almost always combined with an adjective. Typical examples are 'ein guter/schlechter Esser' (a good/bad eater), 'ein schneller/langsamer Esser' (a fast/slow eater), or 'ein wählerischer Esser' (a picky eater).
Als Kind war ich ein sehr schlechter Esser.
As a child, I was a very bad eater.
An adjective that describes a general habit, e.g. 'wählerisch' (picky) or 'gut' (good), points to the first meaning. If a person is described eating in a specific situation, often with a number, the second meaning is meant.
Er ist ein sehr unkomplizierter Esser.
He is a very easygoing eater.
gourmet
'der Esser' and 'der Feinschmecker' both refer to people and food. But 'Esser' is much more general. You use it when describing how someone eats, for example a lot, little, slowly, or pickily. It can also simply mean a person at a meal. 'Feinschmecker' says more about a person's taste: they pay special attention to good food and can judge quality well. Learners may confuse the words because both have to do with eating habits. In practice: for the type or amount of eating, 'Esser' fits; for special enjoyment and good food, 'Feinschmecker' fits.

Mein Bruder ist ein langsamer Esser und sitzt oft noch am Tisch, wenn alle fertig sind.
My brother is a slow eater and is often still sitting at the table when everyone else is finished.
Für einen Feinschmecker wie Paul ist die Qualität der Zutaten besonders wichtig.
For a gourmet like Paul, the quality of the ingredients is especially important.