ピンゲラップ島の養子制度 -家族・親族・婚姻の変容との関わりにおいて

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南太平洋海域調査研究報告 No.56(2015年3月)
OCCASIONAL PAPERS No.56(March 2015)
ࣆࣥࢤࣛࢵࣉᓥࡢ㣴Ꮚไᗘ
㸫ᐙ᪘࣭ぶ᪘࣭፧ጻࡢኚᐜ࡜ࡢ㛵ࢃࡾ࡟࠾࠸࡚㸫
୰㇂⣧Ụ
Adoption in the Change of Family, Kinship, and Marriage:
A Case Study of Pingelap Island
NAKATANI Sumie
㮵ඣᓥ኱Ꮫᅜ㝿㐃ᦠ᥎㐍ࢭࣥࢱ࣮
Center for International Planning, Kagoshima University
せ᪨
ࠋ
࢜ࢭ࢔ࢽ࢔࡟࠾࠸࡚㣴Ꮚ័⾜ࡣᗈࡃほᐹࡉࢀࠊከࡃࡢே㢮Ꮫ◊✲࡛㆟ㄽࡉࢀ࡚ࡁࡓ㸦NAKATANI 2013㸧
ࣆࣥࢤࣛࢵࣉᓥ࡟㛵ࡍࡿඛ⾜◊✲࡟ࡼࢀࡤࠊ┦⥆ࡸ፧ጻ࡞࡝ぶ᪘ไᗘࡣࠊேཱྀቑຍ࡜࡜ࡶ࡟㐍໬ࡋࠊ
ࠋ౛࠼ࡤࠊ஧㔜┦⥆ࡣ
ᓥࡢ㝈ࡽࢀࡓᅵᆅ࡟ከࡃࡢேࡀᬽࡽࡍࡇ࡜ࢆྍ⬟࡟ࡋ࡚ࡁࡓ㸦DAMAS 1983, 1994㸧
ᡤ᭷ᆅࡀ」ᩘಶᡤ࡟ࡕࡽࡤࡿ⤖ᯝ࡟ࡘ࡞ࡀࡿࡀࠊࡑࢀࡀࢭ࢟ࣗࣜࢸ࢕ࡢᙺ๭ࢆᯝࡓࡋ࡚࠸ࡿࠋ࡝ࡇ࠿ࡢ
ᅵᆅࡀሷỈ࡟ࡸࡽࢀ࡚ࡶࠊูࡢ࡜ࡇࢁ࡟Ⱎ㢮ࡢ཰✭ࡀᮇᚅ࡛ࡁࡿࡓࡵ࡛࠶ࡿࠋ㣴Ꮚ័⾜ࡶྠᵝ࡟ᅵᆅࡢ
┦⥆࡜⤖ࡧࡘ࠸࡚┒ࢇ࡟⾜ࢃࢀ࡚ࡁࡓࠋᮏ◊✲࡛ࡣࠊࣆࣥࢤࣛࢵࣉᓥࡢ㣴Ꮚ័⾜࡟↔Ⅼࢆ࠶࡚ࠊᓥࡢ
ேཱྀῶᑡ࡜࠸࠺㏆ᖺࡢ≧ἣୗ࡛ᐙ᪘ࡸ፧ጻࠊぶ᪘ไᗘࡢኚᐜ࡟ࡘ࠸࡚᫂ࡽ࠿࡟ࡍࡿ࡜࡜ࡶ࡟ࠊࢥ࣑ࣗࢽ
ࢸ࢕ࡢ⥔ᣢ࣭Ⓨᒎࡢ᪉ྥᛶࢆ⪃ᐹࡍࡿࠋ
࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞ࡟ྵࡲࢀࡿࣆࣥࢤࣛࢵࣉ⎔♋ᓥࡣࠊ௚ࡢ࣑ࢡࣟࢿࢩ࢔ࡢ
ᓥࠎ࡜ྠᵝ࡟ 1960 ᖺ௦࡟ᛴ⃭࡞ேཱྀቑຍࢆ⤒㦂ࡋࠊࡑࡢᚋ 80 ᖺ௦௨㝆ࡣ㏫࡟⛣ఫ࡟ࡼࡿ
ேཱྀῶᑡࡀ࠾ࡁ࡚࠸ࡿࠋ⌧ᅾࠊᅵᆅᡤ᭷⪅ࡢከࡃࡣᓥ࡟ᒃఫࡋ࡚࠾ࡽࡎࠊⲨࢀ࡚ᨺᲠࡉࢀ
ࡿᅵᆅࡀቑ࠼࡚࠸ࡿࠋࢲ࣐ࢫ㸦DAMAS 1994㸧ࡀ࠸࠺ࡼ࠺࡟ࠊᓥࡀᨭ࠼ࡿேཱྀ࡜ぶ᪘ไᗘ㸦┦
⥆ࡸ፧ጻࡸ㣴Ꮚ࡞࡝㸧ࡀ⤖ࡧࡘ࠸࡚㐍໬ࡋ࡚ࡁࡓ࡜ࡍࢀࡤࠊ⌧ᅾࡢ㐣␯໬࡟࠾࠸࡚ࡇࢀࡽ
ࡢࢩࢫࢸ࣒ࡶኚ໬ࢆవ൤࡞ࡃࡉࢀ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋ
௒ᖺᗘ࡟ᐇ᪋ࡋࡓࣆࣥࢤࣛࢵࣉᓥ࡛ࡢணഛⓗ࡞⪺ࡁྲྀࡾㄪᰝ࡟࠾࠸࡚ࠊ㣴Ꮚ័⾜ࡣ
60 ᖺ௦ࡲ࡛ࡈࡃ୍⯡ⓗ࡟ࠊぶ᪘㛫࡛┒ࢇ࡟⾜ࢃࢀ࡚࠸ࡓࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋ㣴Ꮚ࡟ࡣࠊ
㣴⫱ࢆ┠ⓗ࡜ࡍࡿࡶࡢ㸦naiyapar㸧࡜ᅵᆅࡢศ୚ࢆ┠ⓗ࡜ࡍࡿࡶࡢ㸦pwekpwek㸧ࡢ஧㏻ࡾ
ࡀ࠶ࡿࡀࠊ㏆ᖺࡣ≉࡟ᚋ⪅ࡢࢱ࢖ࣉࡢ㣴Ꮚࡀぢࡽࢀ࡞ࡃ࡞ࡗ࡚࠸ࡿࠋ㣴Ꮚ័⾜ࡢኚ໬ࡣࠊ
୺࡜ࡋ࡚ேཱྀᅽࡢၥ㢟ࡸᅵᆅ┦⥆ไᗘ࡞࡝⤒῭ⓗ࡞せ⣲࠿ࡽㄝ᫂ࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࡀࠊ
74
NAKATANI Sumie
୧ぶ࡜Ꮚ౪࠿ࡽ࡞ࡿすḢⓗ㏆௦ᐙ᪘ࡢᴫᛕࡀࠊ࢟ࣜࢫࢺᩍࡢᕸᩍ࡜࡜ࡶ࡟ࣆࣥࢤࣛࢵࣉ
♫఍࡟ᾐ㏱ࡋ࡚࠸ࡗࡓࡇ࡜ࡶᙳ㡪ࡋ࡚࠸ࡿ࡜ᛮࢃࢀࡿࠋ௒ᚋࠊࣆࣥࢤࣛࢵࣉ♫఍ࡢぶ᪘㛵
ಀࡢヲ⣽ࢆㄪᰝࡋࠊேࠎࡢ♫఍ⓗࢿࢵࢺ࣮࣡ࢡࡢᗈࡀࡾࠊࡑࡢᶵ⬟ࡢᐇែࢆ᫂ࡽ࠿࡟ࡍࡿ
ணᐃ࡛࠶ࡿࠋ㣴Ꮚ័⾜࡟↔Ⅼࢆ࠶࡚࡞ࡀࡽᐙ᪘ࡸぶ᪘ࠊ፧ጻไᗘࡢኚᐜࢆぢࡿࡇ࡜ࢆ㏻ࡋ
࡚ࠊ᭱⤊ⓗ࡟ࡣࠊᓥࡢேཱྀࡢῶᑡࠊ⛣ືࡢၥ㢟࡟ࡘ࠸࡚⪃ᐹࡍࡿࠋ
ࣆࣥࢤࣛࢵࣉᓥ࠿ࡽእ࡬ࡢ⛣ఫࡀጞࡲࡗࡓࡢࡣࠊ20 ୡ⣖ึ㢌ࡢࡇ࡜࡛࠶ࡾࠊ1960 ᖺ௦
࡟ࡣ࣏ࣥ࣌࢖ᮏᓥࡢࢥࣟࢽ࣮࡬ࡢ⛣ఫࡀ኱つᶍ࡟ぢࡽࢀࡓࠋ࣑ࢡࣟࢿࢩ࢔ࡀ⡿ᅜࡢಙク
⤫἞㡿࡛࠶ࡿࡇ࡜࠿ࡽࠊ㏆ᖺࡣከࡃࡢேࠎࡀࢢ࢔࣒ࡸࢧ࢖ࣃࣥࡸྜ⾗ᅜᮏᅵ࡬࡜⛣ືࡋ࡚
࠸ࡿࠋࡇ࠺ࡋࡓᅜቃࢆ㉺࠼ࡿ㏆ᖺࡢ⛣ືࡣࠊᩥ໬ே㢮Ꮫ࡟࠾࠸࡚ࡣࠊࢺࣛࣥࢫࢼࢩࣙࢼࣝ
◊✲ࡢᯟ⤌ࡳ࡛㆟ㄽࡉࢀ࡚ࡁࡓࠋ౛࠼ࡤࠊ㏆ᖺࡢ⛣ືࡣࢢ࣮ࣟࣂࣝ࡞ᨻ἞⤒῭ᵓ㐀࡜ࡢ
㛵ಀ࡛ㄝ᫂ࡉࢀࠊಶேࡸୡᖏࡢᡓ␎࡜ࡋ࡚ࠊኚ໬࡬ࡢ஺΅㐣⛬࡜ࡋ࡚ㄽࡌࡽࢀ࡚ࡁࡓࠋ
ࡋ࠿ࡋࠊ⛣ືࡍࡿᮏேࡸ⛣ఫ⪅ࢆ㍮ฟࡍࡿୡᖏࢆ◊✲ᑐ㇟࡜ࡍࡿࡔࡅ࡛ࡣࠊᓥ࡟ṧࡉࢀࡓ
㠀⛣ఫ⪅ࢆ᰾࡜ࡍࡿࣆࣥࢤࣛࢵࣉࡢேࠎࠊࡘࡲࡾṧࡉࢀࡓഃࡢேࠎࡀᏲࡗ࡚࠸ࡃࠕᆅᇦ♫
఍ࠖࡸࠕぶ᪘㞟ᅋࠖ඲య࡟࡜ࡗ࡚ࡢ⛣ఫࡢព࿡ࢆ⌮ゎࡍࡿࡇ࡜ࡀ࡛ࡁ࡞࠸ࠋ
ᐇ㝿ࠊࣆࣥࢤࣛࢵࣉᓥ࡟࡜ࡗ࡚ࠊࡇࢀ௨ୖᨺᲠᆅࡀࡩ࠼ࡿ࡜ᆅᇦ♫఍ࡢᬽࡽࡋࡣᡂࡾ❧
ࡓ࡞ࡃ࡞ࡿᠱᛕࡀ࠶ࡾࠊᐙ᪘ࡸぶ᪘ࡢඹ᭷㈨※㸦ᐙᒇࠊⰞ㢮ࡢ⏿ࠊࢥࢥࣖࢩࠊࣃࣥࣀ࢟➼㸧
ࡢ฼⏝࣭⟶⌮࣭ᡤ᭷ࢆࡵࡄࡿၥ㢟ࡣࠊ⛣ఫ⪅࡜㠀⛣ఫ⪅ࡢ཮᪉࡟࡜ࡗ࡚ᠱ᱌ࡢ஦㡯࡜࡞ࡗ
࡚࠸ࡿࠋཪࠊ⛣ఫ⪅ࡢከࡃࡣࠊᆅ⌮ⓗ✵㛫ࢆ㉺࠼࡚ࠊᅵᆅᡤ᭷ࡸぶ᪘㛵ಀࠊ፧ጻ࡟ࡼࡿࡘ
࡞ࡀࡾ࡞࡝ᵝࠎ࡞㛵ಀࢆ⥔ᣢࡋ⥆ࡅ࡚࠾ࡾࠊࣆࣥࢤࣛࢵࣉᆅᇦ♫఍ࡣᓥ࡜࠸࠺ᆅ⌮ⓗ✵㛫
ࢆ㉺࠼࡚Ꮡᅾࡋ࡚࠸ࡿࠋ
ᮏ◊✲ࡣࠊ⛣ఫ⪅ࡶྵࡵࡓࠕࢺࣛࣥࢫ࣮࣭ࣟ࢝ࣝࣆࣥࢤࣛࢵࣉ࣭ࢥ࣑ࣗࢽࢸ࢕ࠖࡢேࠎ
࡟࡜ࡗ࡚ࡢ⛣ఫࢆ⪃ᐹࡍࡿࡇ࡜ࢆ᭱⤊┠ⓗ࡜ࡍࡿࠋලయⓗ࡟ࡣࠊ1㸧௒᪥ࡢ⤒῭ࢩࢫࢸ࣒ୗ
࡛ࠊ⏕Ꮡࡢࡓࡵࡢ㈨※ࡢከࡃࡀᓥእ࡟౫Ꮡࡋࠊᓥࡢேཱྀࡀῶᑡࡋ࡚࠸ࡿ୰࡛ࠊᐙ᪘ࡸぶ᪘
ࡢࢩࢫࢸ࣒ࠊ≉࡟ᅵᆅ┦⥆࡜㛵ࢃࡿ፧ጻࡸ㣴Ꮚ័⾜ࡀ࡝ࡢࡼ࠺࡟ኚ໬ࡋ࡚࠸ࡿࡢ࠿ࢆㄪᰝ
ࡋࠊ᪂ࡓ࡞⤒῭ࢩࢫࢸ࣒࡬ࡢᐙ᪘ࡸ፧ጻࡸぶ᪘ࡢࢩࢫࢸ࣒ࡢᑐᛂࢆ᫂ࡽ࠿࡟ࡍࡿࠋ2㸧ࢢࣟ
࣮ࣂࣝ໬ࡢ୰࡛ࠊேࡢ⛣ືࡸ᝟ሗఏ㐩ࡀⴭࡋࡃᐜ᫆࡟࡞ࡗࡓࡇ࡜࡛ࠊᆅ⌮ⓗ✵㛫ࢆ㉺࠼࡚
ᗈࡀࡿࣆࣥࢤࣛࢵࣉࡢேࠎࡢࡘ࡞ࡀࡾࠊࢿࢵࢺ࣮࣡ࢡࢆ᪂ࡓ࡞♫఍㈨ᮏ࡜ࡋ࡚ᤊ࠼ࠊேࠎ
ࡀ♫఍ⓗࢿࢵࢺ࣮࣡ࢡࢆά⏝ࡋ࡚ࠊᓥࡢᅵᆅࡸ᳜≀࡞࡝ࡢ⮬↛㈨※ཬࡧࠊఏ⤫つ⠊ࡸ▱㆑
ࡸᢏ⬟࡞࡝ᩥ໬㈨※ࢆྵࡴࢥ࣑ࣗࢽࢸ࢕ࡢඹ᭷㈨※ࢆ࡝ࡢࡼ࠺࡟⥔ᣢࡋ࡚࠸ࡃࡢ࠿ࠊ
ࠕࢺࣛࣥࢫ࣮࣭ࣟ࢝ࣝࣆࣥࢤࣛࢵࣉ࣭ࢥ࣑ࣗࢽࢸ࢕ࠖࡢⓎᒎࡢ᪉ྥᛶࢆ௻ᅗࡍࡿࠋ
ᘬ⏝ᩥ⊩
DAMAS, D. 1983. Demography and Kinship as Variables of Adoption in the Carolines. American
Ethnologist, 10(2): 328-344.
DAMAS, D. 1994. Bountiful Island: A Study of Land Tenure on a Micronesian Atoll, 272 pp., Wilfrid
Laurier University Press, Canada.
NAKATANI, S. 2013. Adoption in the Changes of Family, Kinship, and Marriage: A Comparative
View Based on Studies in Micronesia and India. Occasional Papers (Kagoshima University
Research Center for the Pacific Islands), 53: 51-59.