Crossword Genius

Senior citizen alarmed shaky knight (8)

Ross

I believe the answer is:

alderman

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

'senior citizen' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps you can see a link between them that I don't see?

'alarmed shaky knight' is the wordplay.
'shaky' indicates an anagram.
'knight' becomes 'n' (chess abbreviation).
'alarmed' with letters rearranged gives 'alderma'.
'alderma'+'n'='ALDERMAN'

Can you help me to learn more?

(Other definitions for alderman that I've seen before include "superior member of county council" , "Civic officer" , "Old municipal official" , "In England and Wales, a former senior local councillor" , "Member of a local legislative body" .)

I've seen this clue in The Sun.
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