Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Let me give you an example: Sentence: 'Harry glanced again at the raw looking thing that trembled and choked in the shadow beneath the distant chair.', Argument/Subject 1: 'Harry', Argument/Subject 2: 'raw looking thing'
The answer to this example can be: glance
Here is why: The sentence contains the generated relationship - glance, mentioned between two subjects - Harry and raw looking thing

OK. solve this:
Sentence: 'On the list were such names as former CIA director William Casey , former prosecutor and current cable ewstalking-head Joseph diGenova , nominally liberal Congressman Barney Frank , political activist/propagandist Phyllis Schlafly , and former Attorney General John Mitchell who once co-hosted a party with Spence .', Argument/Subject 1: 'william casey', Argument/Subject 2: 'cium'
Answer:
be director of