Tarentek gave a genuine smile as he nodded to Onyx. "Thank you, and I promise I will keep you safe." He had given swimming lessons before, mostly to recruits who had never swam before, so he was certain she would come to no harm. Some of those recruits had been afraid of water as well, though not for the same reason as Onyx. In any case, since she had at least agreed to try, there was a chance she could recover. 

Taking a few steps forward, Tarentek turned his head and looked back to Onyx. "And sure, I'll go in with you. What kind of tasks do you usually get, anyway? Is it always deliveries, or do you think we will be doing anything else? He asked.