A slippery metallic beginning with P could be pewter or platinum.
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punch
Particle.
plans
pumpkin
PikePlaicePerchPiranha
people
periwinkle purple
Yoda from "Star Wars"
Words beginning with the letter p that describe a person:patheticpessimisticpetiteperfectpettyphilanthropicpitifulpleasantplumppoisedpolitepompouspowerfulpragmaticpreciouspretentiousprettyprivateproductiveprofessionalproudpsychoticpurposefulpushy
prow