German to Samoan: an actor marker is not a German passive
German von and Samoan ergative marking are not one operation
German can put an affected participant in subject position through a passive, with the actor optionally introduced by von. Hopperdietzel and Alexiadou analyse Samoan ergative actor marking as prepositional and compare its syntax with passive-like agent phrases. That is an analysis of structural similarities, not a translation rule saying every Samoan ergative clause must correspond to a German passive. The actor and the affected participant must be identified independently of the German voice.
Consider an original German report in which a worker repairs a door. German can present the worker as subject or state that the door is repaired by the worker. The repair and its participants remain related, but the presentation changes. A Samoan translation should express the same event and intended emphasis using a construction licensed in Samoan, rather than choosing an actor marker simply because the German source contains von.
A missing actor is not always a missing translation
The research discusses the optionality of ergative arguments in isolated Samoan sentences. German passives likewise often leave an actor unstated. That resemblance can be useful, but it must not obscure what the actual source supplies. A German maintenance notice saying that a door is being repaired may deliberately avoid naming the worker; a dispute identifying which contractor performed the repair makes the actor essential.
If a German source explicitly contrasts two possible workers, dropping the actor from the target would remove the answer to the dispute. If the source merely announces unavailable access, inventing an actor would add information. The relevant choice is therefore not whether Samoan permits an omitted actor in principle. It is whether the German statement makes that actor part of the information being communicated. The same grammatical option can be appropriate in one message and inadequate in another.
Keep the person acting distinct from the topic
The article distinguishes ergative arguments from unmarked absolutive arguments and discusses their different syntactic behaviour. German, by contrast, marks nominative subjects in both active and passive clauses. A translator cannot identify the Samoan actor simply by looking for whichever noun corresponds to a German nominative. In a passive German sentence, that noun may name the affected object instead.
For example, a German description can begin with the door because access is the topic, even while a later phrase identifies the person doing the repair. The topic, the German subject and the event’s actor are separate notions. Keeping them apart helps prevent a target sentence from reversing responsibility. The cited work makes a particular syntactic argument about Samoan and explicitly limits its prepositional analysis rather than extending it to every ergative language. For translation, its practical lesson is narrower: establish who acts on what, then preserve the German message’s choice about which participant is identified and foregrounded.
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