Tanjiro Kamado:
No one?
Zenitsu Agatsuma:
Everyone
Inosuke Hashibira:
Too much pride, mate
So no one
Giyu Tomioka:
Every other pillar
Sabito:
Giyu probably
Yushiro:
Nobody besides Tamayo and yourself live with him, so no one
Muzan Kibutsuji:
No one, he's too powahful~