You call a person in charge mam,sir or leader
The person in charge of a museum is a curator.
The person in charge of a gallery is typically known as an "Exhibitioner," because a gallery is where art is "exhibited."
That could be the Editor or the Publisher.
the person in charge of the Gov is simply the Premier Ministre or the prime minister in English
If you like the person, he or she is a leader, and if you don't he or she is pushy and bossy.
He would be the chieftain or chief.
Chief Information Officer
The grill master or head of the grill.
they are called disobedient kids
Every person is different you need to call them.
i think they are called hockey traner
If a person prevents a 911 call then they can be charged with interference of a 911 emergency call and face penalties related to the charge.
That person who carries the stop sign is a crossing guard who is in charge of a spot where pedestrians cross the road.
I think it a conductor, that's who leads the band anyway
Most sources referred to such people as "slave-owners" or "slave-masters."