C / confirmātor
noun

confirmātor

gen. confirmātōris · gender masculine · decl. 3rd
he who confirms; establishes a thing;
he who confirms or establishes a thing; hence,
a surety, security
Pecuniae, a surety, security, Cic. Clu. 26, 72: venditionis, Jul. Epit. Nov. c. 3, § 10.—
figuratively
Trop.: sententiae, Lact. 1, 2 init.: erroris, Tert. adv. Marc. 4, 36.