('US') an 'advance man/woman/team' [=a man, woman, or group whose job is to go to a place and make preparations for someone (such as a politician or an entertainer) who is coming to visit that place at a later time]
There were more 'advancers' [=stocks that increased in value] than decliners in the stock market yesterday.
They began to make preparations several days 'in advance of' [='before, ahead of'] her arrival.
(..) He wasn't right in the head. William! It's several runners! Hello. The English are advancing an army toward Stirling. Do the nobles rally? Robert the Bruce and most of the others (..)1995 Braveheart
(..) Every walk-in cupboard, every toilet. That door didn't open last night? There's a hole in our security. Find it and we'll pay you - five figures. This is an advance. Tell me how he got in. There's a bigger one on its way. I don't need an incentive, Sebastian. He's, er... (..)2010 TvShow: Sherlock Title: The Blind Banker Season: 1 Episode 2
(..) would call that being a hero. And a lot of people would also call that war profiteering. Tell me, do you plan to report on the millions we've saved by advancing medical technology or kept from starvation with our intelli-crops? All those breakthroughs, military funding, honey. (..)2008 Iron Man