Answer: SECEDER

AnswerCrossword Clue
SECEDEROne who quits
secederto withdraw from an organization (as a religious communion or political party or federation)
secederone who secedes (to withdraw formally from an alliance)
SECEDERAny of the Confederate states
SECEDERSC in 1860
SECEDERBacking-out backer
SECEDERArkansas, in 1861
SECEDERAny of 11 states in 1861
SECEDERVirginia in 1861
SECEDERDefector of a sort
SECEDERJeff Davis, for one
SECEDERSouth Carolina was the first in 1860
SECEDERDissident of 1860-61.
SECEDERWithdrawer.
SECEDEROne who withdraws from a group.
SECEDERJohnny Reb.
SECEDERSouth Carolina in 1860, for one
SECEDEROne that formally withdraws
SECEDEROne leaving the union
SECEDEROne breaking away
SECEDEROne leaving the country
SECEDERUnion buster