affiant

noun

1. (Canada, US)An individual witness whose statement is contained in an affidavit; (generally) an individual who makes a sworn deposition; a deponent.

   “This affiant looked at the wound after Mr. M‘Credie was dead, and from its appearance, which was very large, was of opinion that it was occasioned by a ball and two or three buck short. And farther this affiant saith not.”

   “I am bringing this information forward now because if we were involved unknowingly in something that was wrong, I want it to be righted. Further affiant sayeth naught.”

   “In these cases, it is not hard to imagine that outside of a supportive community of apostates who asserted the Shakers duped them into joining, the public thought the affiants strange for ever dallying with the suspect sect in the first place.”