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.
bootcamp - A type of physical training that consists of many different types of exercise; or a short course of intensive study designed to provide someone with new skills

Alice signed up for the 3 month computer bootcamp, that promised her a great job after she graduated.