Yes he was a real Frenchman am old French president.
Third letter is B.
That should help you with 2d- a Namibian people. AM is morning in wordplay.
The quote isn’t in the ODQ at least not my concise version.
Do you have the 3 superfluous words from down clues? The help they give is a bit dubious.
I got it from looking at the clues that need to be amended l. The letters removed are the same in all 4 cases and can be anagrammed to give a 6 letter word that should help you find the quote.