a person who is travelling to the same place as another person旅伴
He passed the time chatting with fellow travellers.他与同行的旅客闲聊消磨时间。🔊🔊
a person who agrees with the aims of a political party, especially the Communist party, but is not a member of it同路人（政党的支持者，尤指赞同共产党的党外人）Topics Politicsc2