Atungo' (A-too-ngo'): (noun) Acquaintance, associate, colleague, companion, friend, partner, pal.
Note: This is a verb as well, coming from a- (reciprocal marker) + tungo' (to know).
"Kao manatungo' hamyo na dos?" = "Are you two acquaintances?"
"Este i atungo'-hu si Jose." = "This is my friend (acquaintance/associate) Joe."
"Tåya' manatungo'-ña si Rosa gi gipot." = "Rosa didn't know anyone (didn't have any acquaintances) at the party."