Functional Order: Fe/Ni/Se/Ti
Dominant Fucntion: Fe
Minato was a well respected leader and mentor of his students, knowing how to inspire them and acting in accordance to Ninja values. He was selfless and caring, to the point of sacrificing himself to safe his people.
Auxilliary Function: Ni
Minato was a skilled strategist, because he was able to anticipate his opponents future actions. His long term thinking and wisdom also made him a greta advisor to his students, like Naruto Laternen.
Tertiary Function: Se
Minato was skilled in combat and quick to act under pressure. He also enjoyed living in the moment, meditating and enjoying the natural life that surrounded him.
Inferior Function: Ti
Minato was able to detach himself from his feelings if needed, but preferred a more emotionally open approach to teaching. He rather would chose the most noble than the most logical cause of action.