Bit of role playing

Here is the scenario,

You are in a group, comprising of, a renowned scientist, a beautiful but superficial actor, a capable and well respected politician statesman, an altruist, and last a good for nothing, filthy, adulterous, petty, in other words a well rounded asshole, truck driver who has been nothing failure.
Now by a series of unfortunate circumstances you find your group captured by highly intelligent tribe with a bad attitude (how bad ? Scotland bad ), who because they have bad attitude, want to sacrifice one of you.

Now here is what you have to do, assuming any one of the characters, make a case before the tribe why you should be spared.