Russian ⇄ English

помочь кому-л. доказать его правоту stresses
gen.	expose another person's quarrel for him (в споре); expose one's quarrel (в споре); expose one's quarrel for (sb, в споре); fight another person's quarrel for him (в споре); fight one's quarrel (в споре); fight one's quarrel for (sb., в споре)