For one thing, âTrumpâ is not his real name. The Donaldâs grandfather was a German immigrant named Frederick Drumpf who emigrated to the U.S. in 1885 and became a naturalized citizen in 1892. At some point, he started calling himself âFrederick Trump,â but it is unclear if he ever changed his name officially.
incumbent. adj. 1. (often: postpositive and foll by on or upon and an infinitive) morally binding or necessary; obligatory: it is incumbent on me to attend.
The incumbent is the current holder of a political office. This term is usually used in reference to elections, in which races can often be defined as being between an incumbe â¦ nt and non-incumbent. 5 people found this useful.n politics, the incumbent is the person who holds the seat he/she is running for in order to keep it. The challenger is the person trying to win the seat that the incumbent has.