"Donald " means "world leader".

"John means "God is gracious".

"Trump" as a surname can mean "drum" (from the German) or "trumpeter" (from the English), but when used as a word rather than a name, means "a card of a suit any of whose cards will win over a card that is not of this suit" or "a decisive overriding factor or final resource".

https://en.wikipedia.org/wiki/Donald

https://en.wikipedia.org/wiki/John_(given_name)

https://en.wikipedia.org/wiki/Trump_(surname)

https://www.merriam-webster.com/dictionary/trump>