what is samneric fear about the savages warpain?

“The others nodded. They understood only too well the liberation into savagery that the concealing paint brought.” – (Page 191, Line 16)

The war paint reveals the hunters' inner savagery and conceals their true identities; it allows them freedom from consequence; they can do whatever they want, even commit murder.

"Samneric realize that when Jack and his tribe are wearing warpaint, they are liberated from acting civilized. Their fear is how the tribe will act when they are painted. Ralph says that he, Piggy, and Samneric must not paint their faces because he wants so badly to maintain a civilized way of life for them. He realized that if they become like Jack and his tribe, there will be no chance of rescue." (1)