The Other is anyone/anything perceived as distinct from one’s self.
Jacques Lacan established the contemporary definition of the constitutive Other, as the radical counterpart of the Self.
the “Constitutive Other,” which refers to the internal relationship between a person’s essential nature (personality) and their physical embodiment (body), reflecting the interplay of internal differences within the self.
Other Usage
In other contexts, like in The Second Sex by Simone de Beauvoir, this is used to express the “otherness” of marginalized groups, since they diverge from the established social norm. Funnily enough, for both men and women, The Other sex is always woman.
questions
What is the difference between otherness vs difference