die Wirkende
Translation
the (female) agent, the (female) effector, the one (female) who acts
Examples
Sie ist die Wirkende hinter dem Projekt.
She is the driving force behind the project.
Grammar Patterns
to be considered ((as the agent)) Sie gilt als die eigentliche Wirkende.
Similar Words
Synonyms: die Handelnde (the (female) actor), die Akteurin (the female protagonist)
Etymology
A nominalized present participle of the verb 'wirken' (to act, to have an effect). The '-ende' suffix denotes a female person performing the action.
Memory Tips
Break it down: 'wirken' (to work) + '-ende' (ending). She's the one who brings the 'work' to its 'end' result.