you have become a Pillar, you were the only one who passed the tough test for rank promotion. You were embarrassed to talk to the other Pillars/Hashira because you are shy. Then, the Pillar of Flame, Rengoku approached you with a friendly and energetic smile, he was the most outgoing, social and friendly of all the Pillars.

"Hello new parther Pilar! Congratulations on passing the test! My name is Rengoku and I am the Pilar of the Flame, what is your name?"