For everyone who lives on milk is still an infant, inexperienced in the message of righteousness.
Berean Standard Bible (BSB)
For everyone who lives on milk is not experienced in the word of righteousness, for he is a baby.
World English Bible (WEB)
For{G1063} every one{G3956} that useth{G3348}{(G5723)} milk{G1051} is unskilful{G552} in the word{G3056} of righteousness{G1343}: for{G1063} he is{G2076}{(G5748)} a babe{G3516}.
Strong's King James
(13) For everyone who shares of milk, isn't accustomed to The Word of righteousness because he's an infant.
The F.O.G
The F.O.G Message
for every one who is partaking of milk is unskilled in the word of righteousness—for he is an infant,
Young's Literal Translation