obrero
/oˈbɾeɾo/ · B1 · adj
worker
👷🔨 obra (work) + -ero (one who does) = worker; Latin operarius, like operate
Spanish obra means a work or job, as in obras (roadworks). The suffix -ero marks a person's trade, as in zapatero (shoemaker). Both come from Latin opus/opera, the same root as English operate and opera.