Damini is portrayed as a mentally unstable person and confined in a mental institution for two weeks by a judicial order.

This is the mark of an unstable person, certainly.

Tudela described his biological father as a "prince" who a premature marriage at 18 years had turned into an emotionally unstable person.

We're well shut of such an unstable person.

And could you count on an unstable person to do the best thing for himself?

Prior to the incident, Hill's coworkers claimed they were afraid of a mentally unstable person who was at work.

In addition to the album's credits, the booklet features fictional entries written by a mentally unstable person.

And Slavs, in my opinion, are very unstable persons.

Some were bewildered and many unstable persons vehemently urged everybody to do this or that in order to be saved.

Eliminate obviously unstable persons but leave any other psychological elimination to the staff at the Citadel.