Follower of boo or yoo (3)

I believe the answer is:

hoo

'follower of boo or yoo' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Another definition for hoo that I've seen is " Sutton --, Saxon ship burial site".)

I've seen this clue in the Newsday and The Wall Street Journal.

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