Who said "A captain's job is to make his crew happy and safe."?

This quote is attributed to Luffy.

A captain's job is to make his crew happy and safe. - Luffy

"A captain's job is to make his crew happy and safe."

Luffy Leadership

"I'm gonna be King of the Pirates!"

"A man's dream will never die!"

"I don't care what happens to me, I'm gonna help my friend!"

"Being alone is better than being with the wrong people."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"