I think if you are going to take an inquisitor you really need to make him long range and shooty, then just add the Raider, and start outside of it. Your Raider will have two lascannons to take out armor so I think you are better off taking 3 servitors, 2 sages, 3 alcolites (bolters and carpace armor), and a mysitc incase they deepstrike near you. This makes the unit more versitile as if your Raider gets blown up early you don't have a slow bunch of walking meltaguns, and you are driving fast to get near something that you could just shoot instead. that is just my two cents though; if you are trying to do it with a normal inquisitor just dump the alcolytes.