1. The first consonantal spelling, B-R-K (Arabic: بارك, Bārak, and Hebrew: ברךּ Bārak), is most commonly associated in Arabic with the meaning "blessed" as well as the meanings "to make to kneel down" (said of the camel), "to stoop", and "to cower". In Hebrew, it can be traced from Phoenecian, Ugaritic, Aramaic, Akkadian, and Classical Arabic roots having the meanings, "knee", "kneel", "prostrate", "venerate", "bless", "be blessed", and "boon" as well as (camel's, human) "chest" and sometimes "curse" or "blaspheme"
2. "Hussein" means "good," "handsome," or "beautiful" in Arabic.
3. His last name doesn't come from Arabic.
From Google:
Obama is an African surname. It is not an uncommon Luo surname. The name comes from Swahili and, although no etymological breakdown is offered, is said to refer to members of the Luo tribe who converted to Islam.
Obama (小浜) is also a Japanese surname literally meaning "little beach". The Obama clan (小浜氏) were a samurai clan of feudal Japan.
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I'd go for the "curse" and/or the "blaspheme" meanings.
Where, o where, is that dang BARF graphic that I love so much??
A raghead by any other name....