A deponent is a person who gives a deposition or a statement under oath. The deposition is a formal statement that can be used as evidence in legal proceedings. The deponent is usually a witness or a party to the case and is called upon to provide information or evidence relevant to the case.

The person making an affidavit is known as the deponent. An affidavit is a written statement of fact that is sworn or affirmed to be true by the person making the statement. When a deponent swears or affirms, they are testifying that the statements contained in the affidavit are true and correct.

A deponent who makes a false statement by affidavit may be charged for perjury, which is a serious criminal offence. Perjury is the offence of making a false statement when under an oath concerning any matter which is material to a proceeding with the intent to deceive or mislead.