coach , ****
private instructor
tutor

To really be good at an instrument you need a private instructor to fill in information about music theory, history, and technique.

From 1817 he worked in Paris as a translator and private instructor.

He received his early education from a private instructor and in the common schools.

For $35, he bought a drum and hired a private instructor.

The best players on the team trained year round, with private instructors, and felt they had little to learn.

Mumford had an active career as a musician and private instructor.

He was educated in the public schools and by private instructors.

You could book a private instructor for your group.

There is a huge choice of schools, guides and private instructors - just look at the list in the margin on the left.

Nonmembers can use the wall with a private instructor from Reebok for $85 an hour.