The Bejani is a tributary of the Sabie River, entering from the North-West. Mkhohlu Railway Siding some 20 km South-East of Bushbuckridge!
The name is Zulu for 'Rhinocerous' (river).
Geolocation
31° 8' 60", -24° 35' 24"
References

New Dictionary of South African Place Name by Peter E Raper.