Forerunner and Schlepper

Forerunner noun - One that announces or indicates the later arrival of another.

Schlepper and forerunner are semantically related In some cases you can use "Schlepper" instead a noun "Forerunner".

Schlepper noun - (Yiddish) an awkward and stupid person.

Forerunner and schlepper are semantically related in person carrying information to another topic. Sometimes you can use "Forerunner" instead a noun "Schlepper".