What are sleebos?

Some articles on sleebos:

Peter Sleebos
... Peter Sleebos (born 5 August, 1949, Malang, Indonesia) is a Dutch pastor and leader of the Pentecostal movement ... Sleebos has been the chairman of the United Pentecostal and Evangelical Churches (VPE) since its establishment in 2000 ... Sleebos is also vice chairman of the Evangelische Omroep (EO) ...