faithful, loyal
Sin embargo hay esperanzas mientras sigan siendo fieles.
However, there is hope as long as they remain faithful.
All dogs are loyal.
Habiendo elegido ésta, seremos fieles a ella.
Having chosen this one, we will be faithful to it.
— Adiós a mi concubina (1993)
Not if we remain faithful.
— El señor de los anillos: La comunidad del anillo (2001)
Dogs are loyal.
Y, sin embargo, yo era uno de sus siervos más fieles.
And yet I was one of his most faithful servants.
— Drácula (2025)