to collaborate / contribute
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to collaborate
To work together with others on a task, a project, or in a company; to cooperate.
Um das Projekt rechtzeitig abzuschließen, müssen alle Teammitglieder effektiv mitarbeiten.
In order to finish the project on time, all team members have to collaborate effectively.
to contribute
To make a contribution to something; to help with or take part in an activity, often also as a volunteer.
Wir suchen noch Freiwillige, die bei der Organisation des Stadtfestes mitarbeiten möchten.
We are still looking for volunteers who would like to contribute to organizing the town festival.
to contribute
As an often freelance author, correspondent, or expert, to provide contributions for a publication such as a newspaper, magazine, or encyclopedia.
Sie hat als Expertin für Gartengestaltung an mehreren Fachzeitschriften mitgearbeitet.
She contributed to several specialist magazines as an expert in garden design.
'Mitarbeiten' (to collaborate / contribute) is a separable verb. The prefix 'mit-' goes at the end in a main clause. In subordinate clauses and in the infinitive with 'zu', the verb stays together.
Er arbeitet bei diesem Projekt engagiert mit.
He is actively collaborating on this project.
The verb is very often used with the preposition 'an' followed by the dative to name the task or project. If it is about an event or a place, 'bei' with the dative is often used.
Sie arbeitet an einer wichtigen Studie mit.
She is contributing to an important study.
The verb 'mitarbeiten' (to collaborate / contribute) is closely related to the nouns 'der Mitarbeiter' (employee; person who collaborates) and 'die Mitarbeit' (collaboration; the act of contributing). If you know one word, you can understand the others more easily.
Die gute Mitarbeit aller Angestellten führte zum Erfolg.
The good cooperation of all employees led to success.
This meaning is specific to the fields of media and academia. It describes the activity of authors or experts who provide content for a work. Typical objects are 'Zeitschrift' (magazine), 'Lexikon' (encyclopedia), or 'Buch' (book).
Der berühmte Historiker hat an diesem Lexikon mitgearbeitet.
The famous historian contributed to this encyclopedia.
to help
Helfen focuses on supporting someone with their task. Mitarbeiten means being directly involved and working together with others on the task or project. Someone who is not merely providing support but is part of the shared work arbeitet mit.
Am Samstag arbeite ich mit Nina an dem Projekt im Jugendzentrum mit.
On Saturday, I am working with Nina on the project at the youth center.
Am Samstag helfe ich Nina bei ihrem Projekt im Jugendzentrum.
On Saturday, I am helping Nina with her project at the youth center.
