President of Aruba corrupted in Milton Keynes (7)
I believe the answer is:
mubarak
'president' is the definition.
(I have seen 'President of Egypt' mean 'mubarak' so perhaps 'president' could also mean 'mubarak')
'aruba corrupted in milton keynes' is the wordplay.
'corrupted' indicates anagramming the letters.
'in' indicates putting letters inside.
'milton keynes' becomes 'mk' (this might be a standard abbreviation which I don't know about).
'aruba' anagrammed gives 'ubara'.
'ubara' put within 'mk' is 'MUBARAK'.
'of' acts as a link.
Can you help me to learn more?
(Other definitions for mubarak that I've seen before include "President of Egypt, 1981-2011" , "Egyptian president" .)