OK full picture came out after the dive and through a translator.
On a dive boat, discussing the possibility of taking a DM course there ( I was considering emigrating) Japanese divers, a couple had poor English, but understood "divemaster" and assumed I was a divemaster. They jump in after my buddy and I. They assumed I was leading the dive, I had no idea they were behind me. 40 minutes in, the female grabs my fin, scares the hell out of me, points to her buddy, gives the OOG signal, and then proceeds to ascend. He's holding his breath and does not want to wait, so he kicks over crazy fast and donates my primary out of my mouth, saving me the trouble, and starts to kick for the surface. My buddy grabs his legs and rips one fin off and yanks him down and I dump his BC. My buddy grabbed his tank valve and swashes him around to get him under control (it worked, surprisingly) I grabbed him, and got him under control and we ascended the 60 ft or so with my buddy right there with me. he came up totally dry, nothing in the tank, the female has 1500 lbs or so, I forget exactly ( the gauge was in bar)
Her response was that I was the divemaster and it was my responsibility to share air, because they paid.I was in charge and responsible for their safety. The boat captain nearly blew a gasket.
it was pretty ugly, and they were apologetic, but still...
My buddy saved the day there, that day. 105 lbs of blonde Swiss competence with a mind of steel. I'd roll with her until the wheels fall off.
Nomad