"Indefectibility" is, according to Catholic Dictionary by Fr. John Hardon, S.J., the
Imperishable duration of the Church and her immutability until the end of time. The First Vatican Council declared that the Church possesses
an invincible stabilityinvictamque stabilitatem
being founded upon the Rock, will stand firm ...
1. Reading the Gospels as Protestants
This verse from the Aramaic scriptures tells us the virgins (we, Christians) will meet both the bridegroom and bride.
A few things here: firstly only a very small number of Protestants would accept Aramaic-primacy. It also doesn't have any relevance to this question. Just because the Greek text doesn't include "Again ...