A 44-year-old teacher in the Zambezi Region was attacked by unknown people in Chotto compound in the early hours of Tuesday morning.
The victim has been identified as Axon Samupwa, who sustained serious arm and facial injuries.
He was found unconscious on the main street in Chotto, where he fell after the attack and was rushed to the Katima Mulilo Hospital.
Samupwa was in Katima Mulilo for a workshop that started at the town on Monday.
He has since been transferred to Rundu Referral Hospital for further medical treatment.
The motive of the attack is not known as a police investigation is in progress.