wantok

Etymology
Borrowed from, from , that is, a speaker of the same language.

Noun

 * 1)  A close comrade; a person with whom one has a strong social bond, usually based on a shared language.

Etymology
From (alternatively, it can be seen as a compound of ).

Noun

 * 1) a close friend, to whom one gives complete loyalty
 * 2) any person with a shared set of Melanesian cultural values, usually based on speaking a closely related language