'Grown up' in the Bible

But he rejected the advice of the elders who had advised him, and he consulted with the young men who had grown up with him, the ones serving him.

Then the young men who had grown up with him told him, “This is what you should say to the people who said to you, ‘Your father made our yoke heavy, but you, make it lighter on us!’ This is what you should say to them: ‘My little finger is thicker than my father’s loins.