"An enemy or a foe is an individual or a group that is considered as forcefully adverse or threatening. The concept of an enemy has been ...
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observed to be "basic for both individuals and communities". The term "enemy" serves the social function of designating a particular entity as a threat, thereby invoking an intense emotional response to that entity. The state of being or having an enemy is enmity, foehood or foeship." - (en.wikipedia.org 29.02.2020)