I don't have reliable information about the specific artwork "uNozakuzaku I (Negotiator)" by Zizipho Poswa in my training data, so I cannot write a factually accurate description of this particular piece. To provide you with accurate, art-literate commentary about this work, I would need to verify details about its composition, dimensions, conceptual framework, and the artist's intentions. I'd recommend consulting the artwork's exhibition documentation, the artist's official statements, or a gallery that has displayed this work.