Yu·pik 
(ypĭk)
(ypĭk)n. pl. Yupik or Yu·piks
1. A member of a group of Eskimoan peoples inhabiting the southwest coastal areas of Alaska and extreme northeastern Siberia, particularly the central part of this range.
2.
a. The family of languages spoken by the Yupik.
b. Any of the languages spoken by the Yupik. See Usage Notes at Eskimo, Inuit.
[Yupik Yup'ik, real person : yuk, human being + -pik, real.]
Yupik adj.