His arrogant behaviour made him successful in his trade.

Arrogant : having or revealing an exaggerated sense of one's own importance or abilities.Flattering : full of praise and compliments.Humble : having or showing a modest or low estimate of one's importance.Polite : having or showing behaviour that is respectful and considerate of other people.Pleasant : giving a sense of happy satisfaction or enjoyment.Antonym of Arrogant is Humble