User blog comment:Gundam Legilis/RWBY V3 - One Day More/@comment-27087951-20151024014957/@comment-5426254-20151024035205

According to TV Tropes, it is not only a lack of empathy, unparalleled manipulation skills, and imperviousness to shame, but a combination including an endless need for stimulation, a shallow understanding of emotions and feelings, and a grandiose sense of self-worth.

"Many of these traits are shared with other disorders, but it's the combination of them all that creates the Sociopath."

Now, we only know about one or two of these from Roman. We still need to learn more about the other three.

I know one thing he is not: arrogant.

Barring the stupid shit he did while capturing an unarmed Ruby in Mountain Glenn and No Brakes, he has managed to wisely run away from superior opponents at the first opportunity. These include Ruby, Glynda, Penny, and Team RWBY (after the mech fight).

He took the chance to aim at Sun while he was distracted with the grunts, and took out Ruby and her grand entrance as soon as possible in Black and White.

He attempted to throw cars at Neptune and Yang, and shook off Neptune and Sun. Granted, you might argue about the mech fight, but the purpose of his pursuit was to chase down Blake and Co.

He started the train the moment the heroes regrouped in the tunnels, and ordered the grunts to use the other Paladins in an attempt to stop them.

Yeah, it's too early for us to determine whether or not Roman is a sociopath.