The answer, in my opinion, is the second sentence, "The coach who is an expert in the sport explained the revised rules to us". Here, the "Who is an expert", is presumably the nonessential clause.
Answer:
The feeling that a person or a thing is worthless or beneath consideration.
Hope this helps!
Explanation:
He had been an expert shikari. He had the hunter's instinct in his very blood and bones. No animal could escape from him. But when his only daughter, Miriam got married and went off to Punjab, he understood the true meaning of love and separation.
