Strong's G17 — ἀγαθοποιός (adjective)
agathopoios (ag-ath-op-oy-os') adj.
1. a well-doer, i.e. virtuous
[from G18 and G4160]
KJV: them that do well 
Root(s): G18, G4160 
Hebrew root: ποιέω
Occurrences: 1