...and to his surprise, he finds that it isn't the ordeal he thought it would be. 

This world he finds himself in has "gods" which visibly intervene in mortal affairs; very well, what of it? It is clear that none of them are the Name, or the same kind of thing that the Name is. Conceivably they may be the sort of thing that the Torah speaks of when it forbids Jews from worshipping idols, though that raises some questions about how they disappeared from his home world. But in any case there is no longer any conceptual difficulty: The alleged "gods" are simply very powerful entities. Some of them deal honestly and can be fairly bargained with, others want only horror and evil and will stoop even to lawyer-tricks to get them, and must be banned from any honest merchant's warehouse. That can be a practical problem, with customers (or capitalists) who are very powerful, but it is not a religious one. He finds it very easy not to worship any of these gods, or to make burnt offerings to them. His contract with his employer is very clear: Neither party is making any sacrifice, that is to say, any uncompensated gift offered simply as honour, or as the other party's due. Each party gives something, and gains something they value more; that is trade, and no sacrifice at all.

Which still leaves the question of why he is here. 

It seems clear that the local "gods" did not bring him here, and while Areelu is clearly scheming something to do with him, he does not think she has the power to yank him out of an entirely separate creation. (If that's what happened; maybe Earth is just another planet within Creation, entirely isolated from the "gods" for whatever "divine" reason, with a fossil record showing human (and horse, dog, elephant, dinosaur...) evolution and no knowledge of whatever fundamental force underlies "magic"... he thinks "separate creation" is the simpler hypothesis but he is not certain.) Which leaves random chance, and the Name. And between the two, he knows what hypothesis he'd invest his brainpower in.

And if so - what does the Name want?

It wasn't shy about speaking to the prophets, and Abramo now routinely does miracles that would make Elisha's trick with the speaking bones look like, well, second-circle necromancy. Without, so far as he can tell, any backing from the Name.

Except the mythic powers, possibly?

...but some demons get them too! No, no. 

Is he supposed to be the ancestor of a people, like his namesake, and make a new Covenant, and spread the worship of the Name far and wide on Golarion?

He already has children, actually. Three. And a wife. Although it looks quite unlikely he'll see any of them again. And unlike Abraham he is not desperate to have more children, in his age; he has done all that, and it was rewarding and meaningful work but it was a young man's work. And besides, how can he teach the worship of the Name, without the texts? He's no savant, to have memorised even the Torah, much less the rest of it; and the commentaries... 

And, as a purely practical matter, he must admit that he would have some difficulty formulating an advertising strategy to gain market share against "gods" who, while evidently not actually divine, do very demonstrably exist and intervene in mortal affairs!

It is a Christian custom, to ask questions during prayer; and the Aiello have had to give up the obligation to pray three times a day, it's really not very compatible with the masquerade. Here on Golarion where nobody ever heard of either Christian or Jew, he supposes he could pray, but... he's not in the habit, and anyway he does not know the words.

...it's worth a try.

For a god called "the Word", the Word is really not very talkative!

Pharasma is pleased to hear it. Entities from beyond the Dark Tapestry are generally Very Bad News. That does seem like a nice little religion you've got there; it would be a pity if something happened to it.

Abramo gives up on theology, and goes to take out his temper on the demons of the Midnight Fane.

Then they can have a really invigorating running fight through the underground temple, with occasional excursions into the Abyss!

What, me worry? Just because the crusaders who have cut through all my minions and defeated me in single combat every time we clashed, are approaching? Pff. I've got a whole-ass balor here, a powerful marilith, some disposable cannon-fodder babau and schir, what's there to be worried about?

With all those powerful demons covering my retreat, I mean?

Why, that useless piece of filth... what is he saying, Minagho acted exactly as every lilitu always acts, if you don't have a proper collar on them. And every other demon, to include balors. Really, this is his own Pharasma's fault for making the Abyss like that. Anyway, who cares? He's a balor, they're mortals, this ends only one way and rather quickly at that.

Correct. Storm of Justice.

Mark of Justice!

Arrows of - um, justice isn't exactly one of Desna's domains - and anyway Arueshalae would have no right to claim such a thing, sinner that she is - um, arrows of repentance, if that's OK?

Arueshalae has some self-confidence issues but she's a really good archer, that's why he brings her to fights. Also, the "justice" branding is entirely optional! He'd really prefer to be casting Bolts of Gains From Trade!

Regill is not given to calling his attacks, but in the spirit of cooperating with his allies - Gnome Hooked Hammer of Kneecapping?

Oh, games is it? Darrazand is good at games. How do the mortals feel about a (free action) Roar of Amused Disdain followed by Balor Bull Rush?

Ouch.

But that's why Sosiel is behind the line, ready to cast maximised healing. It's a lot like frontline fighting back home, actually: The infantry pins the enemy in place, the trains bring up millions of shells, the artillery breaks the enemy's hearts and makes them run.

Abramo is the artillery, now - and with Greater Abundant Casting he finally has the logistics support he needs.

Storm of Justice.