They are close to the Tetum people. The Kemak people speak the Kemak language. Kemak people are one of the smallest of the 14 Austronesian subgroups in Timor. Most of them are adherents of traditional beliefs, while part of them profess to the Catholic faith. Territorial community is headed by a leader, divided into genera. There are three levels of conjunctions. The "private" type of group corresponds to the level of "uma" or house. It does not only mean housing, but its category includes the exogamous groups of older and younger brothers who share a common ancestor. The "collective" type refers to the Morobe community, which encompasses 7 villages containing mainly 3 houses, and united by a common ritual cycle.