- Language: Dera
- Alternate names: Dla, Dra, Kamberataro, Kamberatoro, Mangguar, Menggwa Dla, Duka-Ekor
- Language code: kbv
- Language family: Senagi (SIL classification)
- Number of speakers: 1,200
- Vulnerability: Threatened
Christian, traditional religion.
Laycock (1973) lists two separate languages--Dera (Dra) and Duka-Ekor--although all data from the latter come from Voorhoeve (1971), citing Galis (1956). These are, however, mutually intelligible dialects of the same language (de Sousa 2006).