robber of churches

Concise Bible Dictionary:

This is “temple-robbers” (Acts 19:37).

Strong’s Dictionary of Greek Words:

Greek:
ἱερόσυλος
Transliteration:
hierosulos
Phonic:
hee-er-os’-oo-los
Meaning:
from 2411 and 4813; a temple-despoiler
KJV Usage:
robber of churches