The term 'One Who Got Away' can be summarized as an ESCAPEE, which is a person who has managed to escape from a dangerous or difficult situation. This term is often used to describe someone who has managed to evade capture or punishment, or to refer to someone who has managed to flee from a dangerous or oppressive environment. In some cases, the term can also be used to refer to someone who has managed to avoid a difficult or unpleasant situation.