2.A married man who takes advantage of his wife.
3.A man who holds on to money at the bank.
The reason she is a handler, is because you could easily invision her holding the chain of a dragon. If she is by herself she could be considered a beast, or possibly a Troll, and maybe a short dragon.
She could easily be seen as a female trucker.
The signal to your buddy that a handler is near is the same as that for a Dragon. A motion of pulling a huge sword out of its scabbard like a knight.