Jack notices some of the resemblance, but not as much as one might. Mostly he thinks of the man as looking like his father, but much younger. He focuses very hard on what the native is saying, but it's not like any language he's ever heard. He hates being on wholly unfamiliar territory.
"'M sorry, mate, 'm at a loss..."
He'd try other languages but he isn't even sure where to start at the moment. He reaches up to rub at his bitten shoulder where he can feel the wound throbbing. He's being watched over, but he's not sure if he's the man's charge or captive.