I turn tail and run when things go bad.

Change. Life is like the seasons, in constant change, and we must change with it. (Chaotic)

I escaped my life of poverty by robbing an important person, and I'm wanted for it.

Yes, and its a...

Social. A social enemy might be a personal rival, an idealogy, or a cultural trait. Its an enemy tied to interactions with others, they may have trouble fitting in, be a social outcast, not identify with their culture, or be wanted but their own kind.