No, that’s not how it is used. Conservative means “resistant to change” and Liberal means “novelty seeking”. Political conservatives need not all be authoritarians but virtually all authoritarians would self select for conservative political organizations.
Once they have power, yes. In order to seize power, they need to appeal to “novelty seeking” liberals in order to destroy the existing order, especially all those annoying checks and balances designed to keep any one person from acquiring power.
Once they have power, yes. In order to seize power, they need to appeal to “novelty seeking” liberals in order to destroy the existing order, especially all those annoying checks and balances designed to keep any one person from acquiring power.