Candy stripers are teenage volunteers at hospitals.

(In this sentence, what is the meaning of 'stripers'? Does it mean people who are wearing striped clothes?)

Yes, they wear striped clothing. Here are a couple of examples. Generally the dress is striped and the apron (if there is one) is white, but I've also seen striped dresses, too.

http://t2.gstatic.com/images?q=tbn:ANd9GcSkrvYopjTcKS0cfpGAFPcUPf_vKaKXcm6b68dn28wbDVIcVXc&t=1&usg=__mNsTjX0MtrHEztw8udbPfK63b9Y=

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Candy s is the name of a group of volunteers (usually teenagers) at a hospital. They wear stripped uniforms .

I think GuruBlue means Candy Stripers!

In the context of the sentence, "stripers" does not refer to people wearing striped clothes. The term "candy stripers" is a colloquial term used to describe teenage volunteers at hospitals. The word "stripers" is a short form of "stripe" and is derived from the candy cane-like stripes often found on the uniforms that the volunteers wear. These uniforms typically consist of a white dress or blouse with red stripes, resembling the appearance of a candy cane. The term "candy striper" is used to describe these young volunteers who assist with various non-medical tasks at hospitals, such as delivering items to patients, assisting visitors, and providing comfort to patients.