One personality trait of a sociopath is that he is egocentric. He derives his self-worth from acquiring power, especially power over others. He is focused solely on his own pleasure and gratification and pursues these goals even if the methods of pursuit are immoral, illegal or unethical.
The sociopath has no empathy for other people, so he is incapable of true emotional intimacy. Hurting people to obtain his needs and wants are irrelevant to him. Because of this, he has no trouble lying, coercing and dominating other people. He is capable of manipulating other people by pretending to care about them, then either ignoring or even becoming hostile toward them when his goals are met. He not only has no remorse about causing people emotional pain, he also has no remorse about being physically aggressive toward them either. However, most sociopaths are not physically violent.
Sociopaths also tend to be irresponsible and can be unreliable when it comes to paying back debts or keeping promises. They are also impulsive and make snap decisions. They may or may not follow through with plans. They also tend to be bored and are prone to taking risks that can injure themselves or others. They often deny that the risks they take are even dangerous.