King James Bible
King James Version (KJV)

Afficted. (1.) A Levite whom David appointed to take part in bringing the ark up to Jerusalem from the house of Obed-edom by "playing the psaltery on that occasion (1 Chr. 15:18, 20)." "(2.) A Levite who returned with Zerubbabel from the Captivity (Neh. 12:9).
Definition of Unni:
"poor; afflicted; that answers"