Strong G3781 ὀφειλέτης opheiletēs · debtor

Romans

1. Romans 1:14
   I am debtor both to the Greeks, and to the Barbarians; both to the wise, and to the unwise.
2. Romans 8:12
   Therefore, brethren, we are debtors, not to the flesh, to live after the flesh.
3. Romans 15:27
   It hath pleased them verily; and their debtors they are. For if the Gentiles have been made partakers of their spiritual things, their duty is also to minister unto them in carnal things.