signer

The contributor was a principal signer in a resource that consists of a recording, a film, or a transcription of a recorded resource.

Signers are those whose gestures predominate in a recorded or filmed resource. (The resource may be a transcription of that recording.)

Examples: Participants in using signed language in a recorded conversation, elicitation session, or informal narration would be termed signers. Audience members who do not participate beyond the occasional backchannel would be termed Responders.

The value of this property is expected to be one of the types: schema:Person schema:Organization

This property is used on the type: schema:CreativeWork

OLAC

List of participant roles.