"capitalism" is property rights, especially of land and factories, that is how the term is used (e.g. anarcho-capitalism which is defined by this). people can trade goods without private ownership of land.
dictator communism is one form, the Trotskyist one would have an elected council that could be revoked or worse in case of treason
a dictatorship where the generation's philosopher king is chosen by raffle from among an upper class of well-rounded intellectual ability but not status is something I would advocate for, as it doesn't select for psychopaths, contrary to most other means