hubo comprometido
-he/she/you had compromised
Antepréterito para el sujetoél/ella/usteddel verbocomprometer.

comprometer

Como puede ser observado, se trata de un Espíritu que ha vuelto sucesivamente en la forma femenina, ocurriendo la excepción solo ahora, en Brasil de 1910, con miras a la misión con la cual se hubo comprometido.
As it can be oberved it is to do with a Spirit who has returned successively in the female form, with this one and only exception being Chico Xavier, in Brazil in 1910, having in view the mission to which it had committed itself.
Palabra del día
permitirse