'Weak' in the Bible

How weak is thy heart, saith the Lord Jehovah, seeing thou doest all these things, the work of a whorish woman, under no restraint;

The weak have ye not strengthened, nor have ye healed the sick, and ye have not bound up what was broken, neither have ye brought again that which was driven away, neither have ye sought for that which was lost; but with harshness and with rigour have ye ruled over them.

Because ye thrust with side and with shoulder, and push all the weak ones with your horns, till ye have scattered them abroad,