Adjective
compliant - Being willing to do what one is asked to do, following set of rules, regulations, and standards.

Though most people don't enjoy paying taxes, they are compliant either because they feel it is right, or because they fear getting caught if they cheat.
promiscuous - Lacking discretion or selectivity, especially in choosing relationships or associates; mixing or combining things randomly.

The character in the novel was portrayed as promiscuous, frequently engaging in relationships without commitment or emotional attachment.