This research discusses about the “Motivation of Nyumbang Tradition in Paguyuban Buwuh Community at Sumbersih Hamlet Malang Regency” which practice by Mbersih society. Every human deed is always has a certain purpose that has a satisfy values and also satisfy their needs; even they express that into a tradition. So they can get their goal while they can maintain the value that content in the tradition.
This research has 3 questions; 1) What is the uniqueness of nyumbang tradition that is practiced by Sumbersih society paguyuban buwuh, 2) What is the motivation of Sumbersih society in carrying out of nyumbang tradition by paguyuban buwuh, 3) What is the relevance of nyumbang tradition by paguyuban buwuh in this current era.
The method that is used by researcher is qualitative method and applies phenomenological approach to describe the nyumbang tradition that is practice by Mbersih society about. Then, this research used inductive method to make easy to serve the data. The technique of collecting data used observation, interview and documentation. Those approach and technique of research are used to get a deep knowing that related to society’s motivation as expected and from that knowing about motivation and nyumbang can know about the relevance of nyumbang by paguyuban in this current era.
The result of this research show that uniqueness’ nyumbang tradition of mbersih society is about establishment of community group named paguyuban buwuh which the community group apply a transparency for contribution (buwuhan) as the form of rational principles that is concerning to the aspect of effectiveness and efficiency in the nyumbang tradition and also the way of giving contribution is collectively which actually still accordance with Javanese attitude (gemi, nastiti and ngati- ati), even though the society being into transition society who got the globalization impact. With guidance of expectancy theory of Victor Vroom, this research found that motivation for nyumbang has relation to three aspects; social motive which is emphasize to make the strong and extent the solidarity and also expectation of prestige, then the economic motive expectation to get relief on economic burden, the last is religious motive which expectation of reward behave the action that include of good moral. Thus, it makes society attempt to maintain the moral value in the tradition; harmonious and respectful through the community group (paguyuban buwuh).