Escaper and Runaway

Runaway and escaper are semantically related in fugitive from responsibility topic. In some cases you can use "Runaway" instead a noun "Escaper", when it comes to topics like someone skilled at escaping.

Runaway noun - Someone who flees from an uncongenial situation.

Escaper and runaway are semantically related in fugitive topic. You can use "Escaper" instead a noun "Runaway", if it concerns topics such as person who is trying to escape.