foreigner    umunyamahānga, umunyankīko, akavāntāra
(from across border) injabuka
En-En dictionary 
akavāntāra (utu-  7  class 7
singular: aka-,aga-
plural: utu-,udu-
  
foreigner
injabuka (in-)     3  class 3
singular: i-,in-
plural: i-,in-
  
foreigner, stranger (from across the border)
umunyamahānga (aba-)     1  class 1
singular: umu-
plural: aba-
  
foreigner, stranger
umunyankīko (aba-)     1  class 1
singular: umu-
plural: aba-
  
stranger, foreigner, person from far away (who lives near border)