At a certain place accepting incitement to action in name of ex-president (8)

I believe the answer is:

theodore

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'president' is the definition.
(I know that Theodore is a president)

I cannot understand how the remainder of the clue works.

(Other definitions for theodore that I've seen before include "... Roosevelt" , "Man" , "ex-president was named thus" .)

I've seen this clue in The Guardian.

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