Possible Clues:

• Foreign dealer who is mean with little hesitation
• Admission of hospital worker or businessperson
• Businessman who takes a drink on the way back
• Mine's a Guinness, as I can carry more than my drink (8)
• Mine's a Guinness, so get it in
• Being from Guinness, I can get some in for you
• One who brings in beer after motorway hold-up
• A trader in foreign goods, I am given to drink
• He does not trade in local goods
• Mine's a Guinness, and I'll get it in for you