
der Initiator
initiator
A person who provides the impetus for a project, movement, or event and brings it into being.
Der Bürgermeister war der Initiator des neuen Stadtfestes.
The mayor was the initiator of the new town festival.
initiator
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initiator
A person who provides the impetus for a project, movement, or event and brings it into being.
Der Bürgermeister war der Initiator des neuen Stadtfestes.
The mayor was the initiator of the new town festival.
'Der Initiator' (the initiator) belongs to a word family with the verb 'initiieren' (to initiate/start something) and the noun 'die Initiative' (the impetus, an action/initiative). If you know one word in the family, you can understand the others more easily.
Er hat eine Bürgerinitiative für den Erhalt des alten Parks initiiert.
He initiated a citizens' initiative to preserve the old park.
This word belongs to formal language. You often find it in newspaper articles, official documents, or the business world. It is used less often in everyday conversation.
In dem Bericht wird der Initiator des Programms namentlich genannt.
The report names the initiator of the program.
To specify what was started, 'Initiator' (initiator) is usually followed by a genitive ('der Initiator des Projekts' — the initiator of the project) or a prepositional phrase with 'von' ('der Initiator von dem Projekt' — the initiator of the project).
Als Initiator des Festivals begrüßte er die Gäste.
As the initiator of the festival, he welcomed the guests.
An initiator typically starts something concrete. Common combinations are 'Initiator eines Projekts' (initiator of a project), 'einer Bewegung' (of a movement), 'einer Reform' (of a reform), or 'einer Veranstaltung' (of an event).
Sie gilt als Initiatorin der modernen Umweltbewegung in der Region.
She is considered the initiator of the modern environmental movement in the region.
founder
The Gründer brings a company or organization into existence himself. The Initiator mainly provides the decisive impetus for a project, but may also be involved in its implementation. Therefore, Gründer is the appropriate term for the actual founding, while Initiator refers to the original impetus.

Als Initiator des Vereins brachte Amir die Idee ein und gewann andere für das Projekt.
As the initiator of the association, Amir introduced the idea and won others over to the project.
Als Gründer des Vereins stellte Amir die Satzung auf und meldete den Verein an.
As the founder of the association, Amir drew up its bylaws and registered it.