fellow traveller in French
fellow traveller in French
compagnon de voyage
One who travels together with another.
compagnon de route
(US) One who sympathizes with the aims or beliefs of an organization without belonging to it; especially a Communist sympathizer. [mid-20th c.]
sympathisant
(US) One who sympathizes with the aims or beliefs of an organization without belonging to it; especially a Communist sympathizer. [mid-20th c.]