-er der
Kellner
Usually 81.3% of the 2,315 common nouns ending in -er take der.
Many -er nouns are masculine, most of all people and machines that do something: der Lehrer, der Computer.
Exceptions die Mutter, die Tochter, die Schwester, das Wasser
der Kellner
It's der Kellner. Kellner is masculine, plural die Kellner.
Der Kellner kommt gleich.
The waiter is coming soon.
Kellner
Usually 81.3% of the 2,315 common nouns ending in -er take der.
Many -er nouns are masculine, most of all people and machines that do something: der Lehrer, der Computer.
Exceptions die Mutter, die Tochter, die Schwester, das Wasser