Hello again! I think "to be responsible for" involves a degree of responibility (be the agent or the cause of), whereas "to be responsible to" means "likely to be called upon to answer".
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
"You are not responsible for everyone" means that you are not responsible for their behavior, their sins, their weaknesses, etc.