Strong's G1396 · Greek

δουλαγωγέω

doulagogeo · doo-lag-ogue-eh'-o

from a presumed compound of 1401 and 71; to be a slave-driver, i.e. to enslave (figuratively, subdue)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 *† δουλαγωγέω , -ῶ ( δοῦλος , ἄγω ), to make a slave, bring into bondage : I Co 9:27 (Cremer, 703).† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain