A wolf trainer.
A Dance Instructor or Dance Teacher trains people how to dance.
its either called lacanthrapy or lacanthraphy, not sure
A pack of wolves.
Yes, they have already built trains which are held above the track by magnetic fields, they are called Maglev trains(magnet levitation).
There is no true word that is defined as "one who studies wolves", however, a person who does this occupation would be a scientist who studies the species Canis lupus.
They are scientifically called 'a group of grey wolves'
a pack of wolves
Young arctic wolves are called pups.
It is not wagon trains. Groups of covered wagons are called prairie schooners. But we can also call it wagon trains, I guess.
the name of young timber wolves are called pups
It is a person who trains somebody.
They are trains that people take to and from work or school every day. They are sometimes called commuter trains.