Lamboya or Laboya is an Austronesian language spoken on Sumba, Indonesia. The population figure may include Gaura, which Ethnologue counts as a dialect of both Lamboya and Kodi.
References
^Lamboya at Ethnologue (18th ed., 2015) (subscription required)
Further reading
Verdizade, Allahverdi (2019). Selected Topics in the Phonology and Morphosyntax of Laboya: A Field Study (MA thesis). Stockholm University.