An expert or highly skilled person, especially a musician.
大师，专家（尤指音乐家）
Ustad Zakir Hussain
he has interviewed ustads of various trades
Example sentencesExamples
I had read enough Indian book reviews to know that reviewers are ustads with blades sharpened on a cruelly efficient whetstone.
It is an honour to have the ustad with us.
The daughters are sent to be trained by an ustad and not having an ustad entails loss of prestige.
She reveals that she once attempted to learn the harmonium and singing in her college days from an ustad, but soon gave up.
After the concert, the ustad watched happily as a few students, who were unlettered street urchins till recently, drew rudraveenas and wrote a paragraph about it each.