FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

opheiletes ὀφειλέτης — of-i-let'-ace — from 3784; an ower, i.e. person indebted; figuratively, a delinquent; morally, a transgressor (against God):--debtor, which owed, sinner.

see GREEK for 3784