Iso manipulates pressure to expand (her house) and contract (the Bounty Hunters' er, male credentials) things.
Reader possesses an Inhuman bond to his dog Forey, as well as a set of magic brail cards that give him temporary abilities. So far we've seen SIGHT, which let's him see through/ borrow Forey's vision, and TIME, which stops time over a considerable distance.
His capacity for blind-person jokes seems to be peak human. Also he has apparently met Daredevil at some point.
CORRECTION: The time freeze card is called FREEZE. And he also has a set of foldaway glider wings and cloaking technology. I get the feeling this guy isn't quite an Inhuman. Maybe the dog is.