A uniformed doorman WordNet 3.0 & Open English WordNet

In mainland Europe, a commissionaire is an attendant, messenger or subordinate employed in hotels, whose chief duty is to attend at railway stations, secure customers, take charge of their luggage, carry out the necessary formalities with respect to it and have it sent on to the hotel. Wikipedia

A uniformed doorman. OmegaWiki

One entrusted with a (small) commission, such as an errand; especially, an attendant or subordinate employee in a public office, hotel, etc. Wiktionary