Possible Clues:

• One in waiting for worker supporting a dry purpose
• Turn up with a six-footer escort
• Waiter brought a dry, and to finish, a new Tokay at first
• One present to guide, help
• Page
• The waiter, a sober worker, receiving a tip
• A page in the register of marriages?
• Company employed at 10 by non-English poet
• This served to make a teetotaller insecticidal
• Will that serve to get a nondrinker to kill the insect?