1)
Who was Shefufam (not mentioned in Vayigash among those who went down to Egypt)?
1.
Rashi: He is synonymous with Mupim, who is mentioned there, 1 and the Torah refers to him as 'Shefufam' after Yosef, who was lost among the nations. 2
1
By the same token, Shucham (in Pasuk 42) is synonymous with Chushim ben Dan in Bereishis 46:23.
2
See also Ba'al ha'Turim.
