Confirmator

·noun One who, or that which, confirms; a confirmer.

confirmator
confirmātor, ōris, m. [confirmo], he who confirms or establishes a thing; hence, I Pecuniae, a su...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
confirmator
cōnfīrmātor ōris, m confirmo, he who assures : pecuniae, a surety . ...

An Elementary Latin Dictionary