Marcelin was born in 1934 on the atoll of Peros Banhos, part of the Chagos Archipelago.
[1][2][3] In 1970, she was forced to leave Chagos during the expulsion of the Chagossians from the archipelago, as the United Kingdom pursued the construction of a military base in what is now formally known as British Indian Ocean Territory.
[1] Marcelin was pregnant at the time of her expulsion; she is a mother of 14 children, two of whom are buried back on her native atoll.
[3] Having settled in the Seychelles, she began composing music nostalgic for her former home, including the song "Payanke dan lizur" ("Tropicbird in the light") and "Bato ale laba" ("The ship goes over there").
[1][4] At a 2008 protest in front of the House of Lords, she said, "We want the Americans and their military base off the islands so we can live in peace in our homeland.