That means errand boy.

An example would be Russian Putin critic Alexej Nawalny saying of ex-chancellor Gerhard Schroeder (SPD, head lobbyist for Gazprom AKA Gazprom Gerd): „Schroeder is an errand boy for Putin who protects murderers.”

“Schröder ist ein Laufbursche Putins, der Mörder beschützt.”