The Guantánamo parole board has cleared another long-held Yemeni captive for release with security arrangements that satisfy Secretary of Defense Ash Carter.

Last month, Zahir Hamdoun’s attorney pledged her New York civil-liberties firm’s support for the 36-year-old Yemeni once he is released from Guantánamo, where he has been held for more than 13 years. Attorney Pardiss Kebriaei said her Center for Constitutional Rights is prepared to provide Hamdoun with years of long-term support including “financial assistance and referrals for needs large and small, ranging from live-in interpreters and mental health care, to laptops and language CDs.” ...