Abdiwahab,
All most all somalis are midgaans because historically;
Anyone who deviated from the prevailing norm /convention were classified as migaans; shoe making, circumcision, eating meat older than one day; begging, smoking, chewing qaad etc were classified as midgaans
It is a social construction.
I strongly believe that they are the most beautiful people on earth; because of discrimination they did not intermarry with other somalis.
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In my town, they are in the majority and one thing I realised is that they discriminate too; stockholm syndrome.
In the NFD there are usually Waraabeeye, Geel bariis and Reer Baxar; beautiful people. I once called a waraabeeye guy adeer and I was given a beating by one of my uncles.
I have tried to break taboos and date one of their beautiful girls; I never told my relatives . She told her relatives and they called the engagement off.
Im Tumaal, and I 've heard elders from my clan have variations of the story that Abdiwahab posted but I don't buy it either. Its a social construction and similarities exist everywhere. Our skills/profession was outside the social norm, esp in a society that associated wealth/standing through pastoralism. That's all there is to it. But the professions that we have historically practiced have always been necessary, hence why the social stratification existed in the first place. As far as ancestry goes without a doubt we are ethnic Somalis, as are other related minority clans.
As for the reference to "stockholm syndrome" just as the rest are socially conditioned to discriminate against minorities in marriage, they've learnt not to put their relatives/offspring at risk because of the complications that would come with such marriages. Its different in the West at times, but yes, minorites would rather marry other minorities generally.