Pekola is carrying home the money she made after all her hard work... but she drops it, and it flies directly into a charity donation box. She spends the last of her money on a meal of curry nanban, which Jashin-chan steals and eats. Finally, Pekola finds a new job to make more money, and it turns out to be bodyguard work for Poporon—otherwise known as the holy idol Noel Amatsuka.
A bodyguard? So that's why it said "shield."
¿Una guardaespaldas?
Por eso decía "escudo".
¿Un guardaespaldas?
Por eso decía "escudo".
"Guarda-costas"? Por isso dizia "escudo".
Телохранитель? Так вот что 
они имели в виду под «щитом».