Avraham's Hand Under the Thigh

Avraham's family is going to end up going back to this other family who comes from the same stock as his father T'rah and so that's where they're having to go find a wife. Avraham trusts in God so much that he says listen if if you don't find a wife from my son you can be free from your I'll release you from your servitude to me  I'll send you on your way pretty big pretty big promise now this was the senior servant in the household does that mean that he's in charge or he's the oldest or what isSenior is that yeah he's the chief he's a chief house servant so that means that he's basically