runner
nounUK /ˈrʌn.ər/
US /ˈrʌn.ɚ/
A runner is a person who runs.
The runner won the race at school.
OTHER MEANINGS
2. A long thin piece of cloth or carpet that goes on stairs or along a floor.
She put a red runner on the hallway floor.
3. A plant stem that grows along the ground and makes new plants.
The strawberry plant sent out a runner to grow a new plant.
4. A person who brings messages or delivers things for someone.
The runner brought the papers to the office.