Welsh referee Nigel Owens believes comments like Israel Folau's statement that gay people would be condemned to "hell" could contribute to youngsters taking their own lives.
Evangelical Christian Folau, responding to a question on Instagram in a post he later deleted, wrote last Tuesday that homosexuals were destined for hell unless they repented for their "sins" and "turned to God".
Owens, who came out as gay in 2007, said he had once counselled a suicidal young rugby player and opinions such as those expressed by the Wallabies back could do positive harm to young people coming to terms with their sexuality.
"Comments like Israel Folau's about gay people and all other types of bullying by all kinds of people is what can put people like that young boy in that moment where it's enough to tip them over the edge," he wrote in column on www.walesonline.co.uk.
"Because there is a minority out there who give the impression that you cannot be who you truly are.