I don t quite believe in the formal infixes yet This could also be explained as Immediate Future Imperfective er y uy You now will be a son of the Omaticaya You now will be a part of the People If there was an formal infix wouldn t the scientist who talked formal use it Also as the leader of the tribe he may not have to be formal while everyone else must be formal to him Or he could very well have a high looking down on low formal language which could be different from low social status looking up to high constructions Seems like the pronouns have formality like Japanese but the verb infixes seem pretty standard across social situations to me from what I ve heard so far is a seperate subject I have my own theories about