Both of which terms are explicitly used in the article. :) However this is not a sortition. It's an application of random-dictator to the problem of electing a

Both of which terms are explicitly used in the article. :) However this is not a sortition. It's an application of random-dictator to the problem of electing a per-constituency representative. This turns into a sortition only in the degenerate case where everyone runs and votes for themself.