The term 'ONE TO AVOID' can be summarized by two crossword solutions: OGRE (4 letters) and PARIAH (6 letters). An OGRE is a mythical creature that is often depicted as a large, hideous, and monstrous humanoid. In folklore, ogres are often portrayed as cruel, greedy, and gluttonous creatures that feed on humans. A PARIAH is an outcast or someone who is rejected by society. It is usually used to describe someone who is socially ostracized or excluded from a group or community.