person on the other end(в телефонном разговоре • You answer, and the person on the other end says that he or she is from a charitable group soliciting donations.4uzhoj); the other party(в телефонном разговоре) 4uzhoj)
source(напр., газеты – The source, who says he worked on the construction of the Kalinin and other power plants between 2003 and 2007, would only speak anonymously and was unable to provide documentary proof of his story. TMT Alexander Demidov); informant(According to the paper's informants "elderly people in North Korea who lived through the Japanese occupation (which ended in 1945) say even ... BBC | собеседник Ведомостей: According to Vedomosti's informant, they should be lowered gradually, Russia is concerned with the taxes on goods that constitute $4 billion ... Vedomosti's informant also presumes that Adobe's leaving Russia has to do not only with cloud technologies: because of the sanctions, the ... Alexander Demidov)
company(companionship • I was grateful for her company; She's always good company); sparring-partner(a person with whom one enjoys a lively argument); conversation partner(The music changes around them and Hoseok is ready to change his conversation partner. – Музыка вокруг них меняет характер, а Хосок готов сменить собеседника.alikssepia)
cambridge.org • he is poor company – он неприятный/скучный собеседник); speaker (SirReal)