Businessman runs away from electronic puzzle, upset (7)

I believe the answer is:

magnate

I'm a little stuck... Click here to teach me more about this clue!

'businessman' is the definition.
(magnate is a kind of businessman)

I don't understand the rest of the clue.

(Other definitions for magnate that I've seen before include "Wealthy figure" , "Fellow with a lot of money" , "Mogul" , "Tycoon" , "Wealthy business leader" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.