noun
colleague
A1
Kollege (der, Plural: Kollegen) means 'colleague' or 'co‑worker'—a workmate or professional peer. Masculine weak noun: many singular cases add -n (den Kollegen, dem Kollegen, des Kollegen). Feminine form is Kollegin. No special prepositions; used like other nouns (z. B. mein Kollege, mit dem Kollegen).
Examples
Ich habe Kollegen.
I have colleagues.
Mein Kollege hilft mir.
My colleague is helping me.
Die Mitarbeiter vertrauten ihrem Kollegen, obwohl er am Vortag einen Fehler gemacht hatte.
The employees trusted their colleague, although he had made a mistake the day before.
Details
Mnemonics
Two coworkers standing next to each other with a name tag 'Kollege'
Kollege sounds like 'college' — both relate to people you work or study with
Notes
Masculine noun; weak declension often (der Kollege, des Kollegen). Feminine form: 'Kollegin'.