Dr Ramos-Horta, who is now a United Nations special representative, says its sad New Zealand, a country he admires, is so heartless to deport “climate change refugee” Ioane Teitiota.
The 39-year-old was deported on Wednesday after the government refused to intervene in his long-running case.
Dr Ramos-Horta asked for a way to contact Teitiota in a post on his Facebook page during the weekend.
“I am happy to welcome this first ever climate refugee in my country; he and family are welcome.