"Coach" can be a noun meaning an athletic instructor, or a verb meaning to instruct one in a sport. A "coach" can also be a noun meaning "carriage," (generally horse-draw) which is the correct answer.

If you change your side or allegiance, the side you ally yourself with, then you “defect.” A “defect” is a fault so be careful. If you “flee,” you run away or retreat, so it is not quite right.

"Quibble," when used as a verb, means to complain about petty negative aspects of something, and when used as a noun, means a relatively unimportant complaint. So, "complain" is the answer choice closest in meaning to "quibble." For clarification, "panic" means to suddenly feel afraid or stressed in an uncontrolled way, "laud" means praise, "acknowledge" means recognize, and "defy" means resist.

The correct answer is "drift."

"Waft"is a verb (or noun) that means to pass (or cause to pass) easily/gently through the air or as if through the air.

This makes "drift"(carried slowly by a current of air or water) making it the correct synonym.

When used as a noun, "uniform" means a specific, standardized outfit worn by members of a certain group. "Livery" is a noun meaning a particular kind of uniform worn by servants, and because "livery" is the answer choice closest in meaning to "uniform," "livery" is the correct answer.

"Champion" is often used as a noun that means victor or winner. However, "champion" can also mean promote, as in the sentence, “She championed the cause of animal rights.” So, "promote" is the correct answer. For clarification, "abandon" means discard, and "disparage" means mock.