Tesis ini membahas proses mobilitas sosial petani plasma dan faktor-faktor pendukung dan penghambatnya. Penelitian mempergunakan pendekatan kualitatif dengan jenis penelitian studi kasus. Hasil penelitian menunjukkan muncul fenomena mobilitas sosial dari petani plasma dari dimensi okupasi atau pekerjaan, konsumsi, kelas sosial, dan kekuasaan melalui beragam saluran mobilitas. Namun dimensidimensi mobilitas yang dicapai tampaknya belum berhasil mengangkat masyarakat desa secara signifikan, disebabkan karena saluran mobilitas yang dominan digunakan hanya menyentuh ranah pada level pemberdayaan individu, sehingga perkembangan tidak menjadi gejala komunal.

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This thesis discusses about the progress of plasma farmers social mobility with the supporting and inhibiting factors. The research use qualitative approach with case of study. The result of this research showed the emerging of social mobility phenomenon of the farmers from their dimension of occupational or employment, consumption, social level, and ascendancy through various channels of mobility. However, the mobility dimensions that already achieved seem has not succeeded to promote the villagers significantly, due to the channel of mobility which is dominant used only touches the realm level of individual empowerment, so that its development does not become communal symptoms.