Is Trump a fascist? Is he a dictator?
The dictator (in Rome) was appointed to solve a particular crisis. What problem was Trump appointed to solve? Maybe you can see them in his campaign slogans, and in his personal character.
* Immigration ("build the wall")
* The media ("fake news")
* The political establishment ("drain the swamp")
* Internationalism ("make America great again")
* Political correctness (his own person and personality)