Since becoming a priest with the Scalabrinians in 1986, Fabre-Jeune has worked in Florida and Georgia, the Dominican Republic, and briefly at a refugee camp at Guantanamo Bay Naval Base, Cuba.
In 1990, he was assigned as a chaplain to Haitian refugees being held at the Guantanamo Bay Naval Base in Cuba.
During an incident at the base, ten military police officers said that Fabre-Jean attempted to stop them from removing a Haitian man from a cell, resulting in a scuffle.
[2][6] In 1991, the Scalabrini Order selected Fabre-Jean to serve as pastor of a parish in San Pedro de Macorís in the Dominican Republic.
[2] In 2006, he was sent to Georgia to serve as parochial vicar in two parishes: Also in 2009, Fabre-Jean was named administrator at San Felipe de Jesús Mission in Forest Park.