He is an asshole, he does good things as well but being an asshole works for him. But yes, definitely please give him some mean protection wards because then if they fail he can tell her and be all "its an insult on your honour as a witch."
Also, he will obnoxiously hit on her because well, he's an asshole. But at the same time if she needs legal representation he will be her white knight because you know he can.

HE WILL HIRE JACOB. :D
And give him an affectionate nickname that probably irritates Jacob no end.