This is the 2651st most frequent Spanish word.
empleado
Employee.
Here, 'empleado' is used as a noun to refer to a worker or staff member.
Él es un empleado eficiente en su trabajo.
He is an efficient employee in his job.
In this case, 'empleado' is used as a verb in the perfect tense, meaning 'employed' or 'used'.
Hemos empleado nuevas técnicas para mejorar nuestro proceso.
We have employed new techniques to improve our process.
Here, 'empleados' is the plural form of the noun 'empleado', referring to workers.