Karuaera will be given a State funeral on Saturday at the Pioniers Park cemetery.
A memorial service will be held at Parliament Gardens on Friday.
All national flags in Namibia will fly at half-mast from Thursday until the funeral on Saturday as a symbol of mourning.
Reverend Karuaera died on 22 September 2013 at the age of 93.
He was a retired presiding elder and preacher of the African Methodist Episcopal (AME) Church.
President Pohamba and Founding President Sam Nujoma are expected to deliver tributes at the funeral of the late Karuaera, who was among one of the first petitioners to the United Nations for Namibia’s independence from South African occupation.