motorist
You can call it a vehiclist
A person who drives a car is commonly referred to as a motorist.
anything that ends in ist
you can call it a balloonist
Someone who does like a unicyclist or an artist
The word for is in German - " ist "
Ist
'ist'
The letters 'ist' is not a word or a pronoun, -ist is a suffix that turns a word for an action into a noun for a person who performs the action such as machine to machinist or piano to pianist.
Oops not ist. -ness
no ist is a compound word
The German word of is, is "ist".