The diverse societies of eastern Indonesia have, for some time, been r
ecognised as important contexts for the study of dual classification.
In this region the practice of dual classification is evident in a mul
titude of social forms. It is found in the range of conventional expre
ssions for category distinctions as well as in the formal organisation
of ceremonial contexts and structural patterns of society. This paper
examines the expression of certain dual classificatory forms as they
appear in three types of ritual processes in West Timorese society. My
purpose is to show how this type of classification provides a vital c
onceptual means to both protect the well-being of participants in the
conduct of the ritual processes, and at the same time, to effect symbo
lic and celebratory affirmations of life. I argue that in the manipula
tion and interaction of the dual categories it is possible to recognis
e a striking commonality of purpose.