"In a civilian trial, yes. But since you were acting under the purview of the Royal Guard, and are being tried under their laws, you have no choice but to speak, or else be ruled in contempt." He pointed to Dale. "He, on the other hoof, does not have to speak or present evidence, although if he is willing—and if he is able to provide testimony which will prove useful to our case—he may be allowed to present evidence.  Of course, should I make a motion to have his testimony brought before the court, it may be disallowed, as you are his sole interpreter, and there is a potential conflict of interest.