δουλαγωγέω G1396
doulagōgéō · doo-lag-ogue-eh'-o · Verb
from a presumed compound of δοῦλος and ἄγω; to be a slave-driver, i.e. to enslave (figuratively, subdue):--bring into subjection.
1 Occurrence in the King James Bible
1 Corinthians 9:27But I keep under my body, and bring it into subjection: lest that by any means, when I have preached to others, I myself should be a castaway.