Compulsive & Paranoid:
Well, it depends. Firstly, there are two kinds of paranoia - delusional and non-delusional. Basically, non-delusional means what they believe could
be true, but they've leapt to the persecution explanation without sufficient evidence (wife acting odd automatically means she's cheating, or random people laughing are laughing at him, etc) while delusional means it's either impossible or extremely unlikely, and probably has clear evidence against it (aliens, CIA has a personal interest in them, etc). Non-delusional paranoia is the stuff of personality disorders, especially paranoid personality disorder. Delusional paranoia is seen in any of the delusional disorders (schizophrenia, delusional disorder, schizoaffective disorder, some severe cases of mood disorders, etc).
Compulsive could refer to several different things, too. Anxious compulsions, where not following through on the compulsion makes you extremely scared, are the hallmark of OCD and also characteristic of Obsessive-Compulsive Personality Disorder (which basically is perfectionism) and some forms of eating disorders (mainly anorexia). Addictions are another kind of compulsion, and there are plenty of diagnoses for various kinds of addictive behavior, such as substance abuse, certain eating disorders (mainly bulimia or anorexia/bulimia), kleptomania, etc. And lastly, there are compulsions done because they make the person feel happy, which seem to be mostly associated with the autism spectrum.
Both of those together would be either a person with multiple diagnoses, or OCD with poor insight (a subtype of OCD where they think their obsessive-compulsive behavior is perfectly reasonable and the imagined dire consequences really will
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