This is the 15556th most frequent German word.
wackeren
"Brave" or "valiant."
Here, 'wackere' (valiant) is used as an adjective in the nominative masculine singular form, describing 'Ritter' (knight).
Der wackere Ritter verteidigte das Dorf.
The valiant knight defended the village.
In this sentence, 'wackeren' (valiant) adopts the dative plural form to describe 'Helfern' (helpers) following the preposition 'mit'.
Mit wackeren Helfern wurde die Aufgabe schnell erledigt.
With valiant helpers, the task was quickly completed.
Here, 'wackeren' (valiant) is in the accusative masculine singular form, describing 'Geist' (spirit), aligned with the structure of the verb 'bewiesen'.