"his nostrPubkey (zapper pubkey) is incorrect. its listed as his pubkey, but it should be the zapper pubkey"

nostr:npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s Could you be more explicit about what these terms mean...

"his nostrPubkey"

"zapper pubkey"

"listed as his Pubkey"

thanks