From Longman Dictionary of Contemporary Englishgofergo‧fer /ˈɡəʊfə $ ˈɡoʊfər/ noun [countable] informalMESSAGE someone who carries messages etc for their employer
Examples from the Corpus
gofer• I started out as a gofer, running errands for him and doing odd little jobs.• Durham was a gofer, a nothing!From Longman Business Dictionarygofergo‧fer /ˈgəʊfəˈgoʊfər/ noun [countable] informalJOB someone who carries messages or gets things for their employerThey hired me as a gofer, but while I took my boss’s suits to the cleaners and bought his wife flowers, I also learnt the business.Origin gofer (1900-2000) go for 