Strong's G5541 · Greek

χρηστεύομαι

chresteuomai · khraste-yoo'-om-ahee

middle voice from 5543; to show oneself useful, i.e. act benevolently

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 *† χρηστεύομαι ( χρηστός ), to be kind : I Co 13:4 (eccl.).† 

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