You get to keep the title, so a former mayor is called "Mayor" or "Mayor Smith." (By the way, never refer to a former mayor as "ex-mayor." "Ex" is only for spouses and convicts.)
"ER" CAN BE A PREFIX FOR FORM . IT CAN BE "formER"
The former mayor of Bridgeport was P.T. Barnum.
"Your Honor" or "Mr. (Mrs.) Mayor"
Former mayor of Makassar
The prefix that can be added to the word "destructive" is "non-."
The
The prefix mis- can be added.
The prefix added to "polite" is "im-."
The prefix that can be added to appointment is "re-", forming the word "reappointment."
Mr. John Jones.
No. If the person is no longer holding that office, they revert to being simply Mr. or Mrs. (or counselor if they are still one).