Question: What person has the most subscribers on youtube?
Disambiguated questions and answers: question: What people as part of a team have the most subscribers on youtube?
What individual person has the most subscribers on youtube?
answer: Bhushan Kumar, Krishan Kumar, Neeraj Kalyan
Felix Arvid Ulf Kjellberg
PewDiePie
Natural Questions answer: PewDiePie (from the Wikipedia article "List of most-subscribed YouTube channels")