Kore, son of Imnah the Levite, was the gatekeeper at East Gate and had to take care of the freewill offerings made to God. His responsibility was to distribute the offerings made to the Lord and the holy gifts dedicated to God.
Then I sent for Eliezer, Ariel, Shemaiah, Elnathan, Jarib, Elnathan, Nathan, Zechariah, and Meshullam (who were leading men) and for Joiarib and Elnathan (who were wise).