# fellow traveller

> English word · Noun

## Definitions
1. One who travels together with another.
2. One who sympathizes with the aims or beliefs of an organization without belonging to it; especially a Communist sympathizer.

## Etymology
For sense 2: calque of Russian попутчик (poputčik).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fellow-traveller