corespondent (noun)

1. In the divorce case, the corespondent was accused of having a romantic relationship with the estranged spouse.

2. The artist used the concept of the corespondent in their painting to represent the breakdown of a relationship.

3. The designer incorporated the idea of a corespondent in the layout of the house as a symbolic representation of infidelity.

4. The movie portrayed a dramatic courtroom scene where the corespondent was brought forward during the divorce trial.