fidelis, -e
faithful Adjectives & Attributes
3rd declension. Semper fidelis (Always faithful). Esto fidelis usque ad mortem — Rev 2:10
In Scripture
Deinde dicit Thomæ : Infer digitum tuum huc, et vide manus meas, et affer manum tuam, et mitte in latus meum : et noli esse incredulus, sed fidelis.
Then he said to Thomas: Put in thy finger hither and see my hands. And bring hither the hand and put it into my side. And be not faithless, but believing.
Ioannes 20 · 27