Donald Trump poses a serious threat to America, based on what he has said. He is unqualified to be president and he is unfit temperamentally to be commander-in-chief.
I am mainly concerned with unqualified knowledge, by contrast with the varieties of expert knowledge: scientific knowledge of various sorts, legal knowledge, medically expert knowledge, and so on.
It is undoubtedly true, though it may seem paradoxical,--but, in general, those who are habitually employed in finding and displaying faults are unqualified for the work of reformation.
Political analysts are saying that as a candidate, Donald Trump is 'a totally unqualified nuisance.' In other words, he is a legitimate contender for the Republican nomination.
Donald Trump is misogynist and a racist; he is thin-skinned and beyond unqualified to be president.