Yes, one person can be sponsor for up to two candidates.
There is no such word, or a need for one. The word "sponsor" is already a noun applied to a person, group, or company.
Can. 873 There is to be only one male sponsor or one female sponsor or one of each. Source: http://www.svfparish.org/godparents.htm How many godparents can a person have? A person can have either one male or one female godparent, or one of each, according to canon 873. Canon law prohibits two godparents of the same sex or more than two godparents. Source: http://www.stillwatercatholics.org/baptismpreparation.aspx
No, uncle won't help. The laws allow immigrants to sponsor immigrant visas to their families which mean parents, spouses and children.
Yes, back before 1963 it was common for one person, selected by the parish, to sponsor all of the candidates for Confirmation.
One. Spain paid for his voyage.
A sponsor is not required at Confirmation, although many bishops allow them, or even require them. Only one sponsor is customary where it is required, if you would like more than one, you would have to have your pastor check with the Bishop.
No. An immigrant is a person who moves from one country to a different country to live there permanently. A migrant is a person who moves from place to place to do seasonal work. There are some migrants who are also immigrants, but there are immigrants who are not migrants and there are migrants who are not immigrants.
One place to sponsor a child is ChildFund International. it is only twenty eight dollars a month to sponsor a child and you can correspond with the child you sponsor.
about one quarter
14 million, most of which were European
about one quarter