As the authority of the church, the Bishop "confirms" your vows during confirmation. It means he witnesses your vows and welcomes you as a young adult in the church. Your sponsor also witnesses but has no authority to confirm your vows.
No, you would need to be confirmed to be a sponsor.
When you are confirmed in your faith
In the sacrament of Confirmation, the Holy Ghost is given to the person confirmed.
Confirmation is the agreement to be a soldier of Christ.
When you are confirmed in your faith
A Confirmation sponsor is a confirmed Catholic in good standing who mentors the Confiramation candidate before he or she is confirmed. Traditionally the Confirmation sponsor is a Godparent (connecting Baptism to Confirmation), but does not have to be.
Confirmation Confirmed
No there was no need what so ever for Jesus to be confirmed.
As a faithful member of the Church.
Confirmation may be completed anytime after baptism, but it is a grave sin to put it off; so, if you are not already confirmed, no matter how old you are, you should set about being confirmed.
The traditional age of confirmation is 13.
The word for the person to be confirmed is a confirmand.