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"Operario" is a noun which is often translated as "worker", and "trabajador" is an adjective which is often translated as "hardworking". Learn more about the difference between "operario" and "trabajador" below.
el operario, la operaria(
oh
-
peh
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rah
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ryoh
)This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
trabajador, el trabajador, la trabajadora(
trah
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bah
-
hah
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dohr
)An adjective is a word that describes a noun (e.g., the big dog).
b. hard-working
Mi plomero es trabajador y responsable; lo recomiendo mucho.My plumber is hard-working and responsible; I highly recommend him.
2. (employed)
a. working
La mayoría de los niños trabajadores de Quito son limpiabotas.The majority of the working boys in Quito are shoeshiners.
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).