make a man of
make a man (out) of (one)
To impel a young man to mature into an adult through some kind of experience. I was just a kid when I came out of college, but my first few months at a real job made a man out of me. Here are Academy Prep, we take your son and make a man of him.
make a man of someone
Fig. to make a young male into an adult male. The experience will make a man of Ted. Send Wally into the army. That'll make a man of him.