Because of their peaceful approach, they easily assimilate to other tribes and eventually move over to dominant tribes. In Zimbabwe not only do they speak dominant languages such as Shona and Ndebele but a great population have taken on either Shona or Ndebele surnames. There are families in places such as Binga, Zimbabwe where half the siblings could carry Tonga surnames and another Ndebele surnames.
Due to their peaceful approach, they quickly assimilate into other tribes and eventually join more dominant groups. In Zimbabwe, not only do they speak prominent languages like Shona and Ndebele but a significant portion of the population has adopted either Shona or Ndebele surnames. There are families in places such as Binga, Zimbabwe where some siblings share Tonga surnames while others have Ndebele surnames.