a human being
Ya que el presidente es un ser humano, es posible que cometa errores.
Since the president is a human being, it is possible that he may make mistakes.
Tengo todos los rasgos de un ser humano.
I have all the traits of a human being.
Estamos hablando de un ser humano.
We are talking about a human being.
¡Usted no es una mujer, usted no es un ser humano!
You’re not a woman, you’re not a human being!
— Solaris (1972)
Un ser humano está hecho de algo más que de aire.
A human being is made of more than just air.
— Chicago (2002)
What is a human being?